• Published in the biology preprint repository bioRxiv, elucidating the principle of 'identity preservation' amidst continuous metabolic processes in biological systems through quantum information. • Based on the Lindblad equation, proposes a mathematical model of a 'sustaining superoperator (S)' that cancels environmental decoherence. • Suppresses entropy production despite material replacement... A quantum interpretation of biological continuity that even explains macroscopic collective many-body tunneling. [Quantum Biology Society] Countless cells, atoms, and molecules that make up our bodies are constantly replaced with new ones. Yet, how do living organisms maintain life without losing their unique identity and resilience? While classical physical chemistry has explained this through structural stability or homeostasis, a theory providing a fundamental answer from the perspective of quantum information has recently emerged and is drawing attention. Recently, a research paper titled "Quantum-Coherent Identity Preservation and Substrate-Invariant Embodiment: A Theoretical Framework for Sustained Pure-State Dynamics in Complex Biological Systems" was published on the biology preprint repository bioRxiv. A research team including Mark I.R. Petalcorin of the UK organization AAIDEA and Mary Ann Ritzell Vega of the Mindanao State University-Iligan Institute of Technology in the Philippines proposed an innovative mathematical model to solve this puzzle. ■ 'Quantum Identity' Unwavering Despite Continuous Atomic Replacement To explain the phenomenon where informational identity is maintained despite the continuous atomic and molecular replacement (metabolism) of living organisms, the researchers introduced the 'Lindblad equation', which describes open quantum systems. Generally, a quantum system interacting with its environment undergoes decoherence, where the quantum state is broken by the environment, transitioning into a mixed state and increasing von Neumann entropy. However, the researchers proposed a theoretical framework in which a specific sustaining superoperator (S) exists within living organisms that can mathematically exactly cancel this environmental decoherence. ■ The Pure State of Life that Remains Invariant Even if the Material (Substrate) Changes As a result of mathematical model analysis, it was shown that when this sustaining superoperator operates, the quantum coherence and purity of the system are maintained constantly even if the physical material (substrate) constituting the organism is continuously replaced with new atoms. In other words, as quantum mechanical decay is arrested, entropy production is extremely suppressed, enabling substrate-invariant embodiment where the overall quantum informational identity of the system is invariably preserved regardless of changes in its physical basis. Furthermore, the researchers demonstrated that this framework supports macroscopic collective many-body tunneling through sublinear effective-mass scaling, which can explain efficient transport phenomena within living organisms. This achievement holds great academic significance in that it is an outstanding mathematical model that interprets the continuity of life as a mechanism for the continuous maintenance of a pure quantum state, going beyond the existing perspective that interpreted it merely as a macroscopic thermodynamic balance or biochemical ensemble. Experts predict that this new framework will not only explain the remarkable resilience of living organisms at the quantum level but also serve as an important theoretical foundation for designing next-generation biomimetic quantum computing architectures that robustly maintain information against environmental perturbations.
• Published in the biology preprint repository bioRxiv, elucidating the principle of 'identity preservation' amidst continuous metabolic processes in biological systems through quantum information. • Based on the Lindblad equation, proposes a mathematical model of a 'sustaining superoperator (S)' that cancels environmental decoherence. • Suppresses entropy production despite material replacement... A quantum interpretation of biological continuity that even explains macroscopic collective many-body tunneling. [Quantum Biology Society] Countless cells, atoms, and molecules that make up our bodies are constantly replaced with new ones. Yet, how do living organisms maintain life without losing their unique identity and resilience? While classical physical chemistry has explained this through structural stability or homeostasis, a theory providing a fundamental answer from the perspective of quantum information has recently emerged and is drawing attention. Recently, a research paper titled "Quantum-Coherent Identity Preservation and Substrate-Invariant Embodiment: A Theoretical Framework for Sustained Pure-State Dynamics in Complex Biological Systems" was published on the biology preprint repository bioRxiv. A research team including Mark I.R. Petalcorin of the UK organization AAIDEA and Mary Ann Ritzell Vega of the Mindanao State University-Iligan Institute of Technology in the Philippines proposed an innovative mathematical model to solve this puzzle. ■ 'Quantum Identity' Unwavering Despite Continuous Atomic Replacement To explain the phenomenon where informational identity is maintained despite the continuous atomic and molecular replacement (metabolism) of living organisms, the researchers introduced the 'Lindblad equation', which describes open quantum systems. Generally, a quantum system interacting with its environment undergoes decoherence, where the quantum state is broken by the environment, transitioning into a mixed state and increasing von Neumann entropy. However, the researchers proposed a theoretical framework in which a specific sustaining superoperator (S) exists within living organisms that can mathematically exactly cancel this environmental decoherence. ■ The Pure State of Life that Remains Invariant Even if the Material (Substrate) Changes As a result of mathematical model analysis, it was shown that when this sustaining superoperator operates, the quantum coherence and purity of the system are maintained constantly even if the physical material (substrate) constituting the organism is continuously replaced with new atoms. In other words, as quantum mechanical decay is arrested, entropy production is extremely suppressed, enabling substrate-invariant embodiment where the overall quantum informational identity of the system is invariably preserved regardless of changes in its physical basis. Furthermore, the researchers demonstrated that this framework supports macroscopic collective many-body tunneling through sublinear effective-mass scaling, which can explain efficient transport phenomena within living organisms. This achievement holds great academic significance in that it is an outstanding mathematical model that interprets the continuity of life as a mechanism for the continuous maintenance of a pure quantum state, going beyond the existing perspective that interpreted it merely as a macroscopic thermodynamic balance or biochemical ensemble. Experts predict that this new framework will not only explain the remarkable resilience of living organisms at the quantum level but also serve as an important theoretical foundation for designing next-generation biomimetic quantum computing architectures that robustly maintain information against environmental perturbations.
Abstract Living systems exhibit extraordinary resilience, adaptability, and identity preservation despite continuous atomic turnover. Traditional physics explains this persistence through biochemical stability, but a deeper quantuminformational description remains elusive. Here, we introduce a theoretical framework where a sustaining superoperator (𝒮) exactly cancels environmental decoherence (𝒟) within the Lindblad formalism, maintaining quantum coherence indefinitely. The resulting sustained pure-state system exhibits vanishing entropy production, stable informational identity, and finite tunneling amplitude under sublinear effective-mass scaling ( M e ff = m N a ) with (0 < α < 1). Numerical simulations confirm entropy cancellation, identity invariance under substrate replacement, and anomalous tunneling consistent with coherence-preserving collectivity. These findings propose mathematically consistent conditions for substrate-independent identity persistence and coherent embodiment, connecting concepts from quantum biology, information theory, and open-system thermodynamics.
∙ Quanta Magazine analyzes the principles of macroscopic world formation through quantum decoherence and quantum Darwinism. ∙ 'Einselection' fixes specific quantum states… similar to how life preserves information. ∙ Integrating quantum biology from physical and philosophical perspectives, redefining the fundamental principles of life's information processing. [Quantum Biology Society] An in-depth analysis has been proposed on how the bizarre phenomena of quantum mechanics transform into the solid macroscopic reality we observe, and what connection this process has with the evolution of life. Recently, the science media outlet Quanta Magazine reported through a contribution by renowned science writer Philip Ball that the theories of 'Quantum Darwinism' and 'Decoherence,' pioneered by physicist Wojciech Zurek, are the key to connecting biological systems with the macroscopic world. ■ The Reality of 'Survival of the Fittest' Created by 'Einselection' In the quantum realm, particles can exist in multiple states simultaneously (superposition), but in the macroscopic world we observe, they appear in only one definite state. According to Dr. Zurek's theory, this happens because quantum systems continuously interact with their surrounding environment, undergoing a process of 'decoherence' where information is dissipated. The core of this process is 'Einselection' (Environment-Induced Superselection). The environment does not accommodate all states; instead, it selects only the most stable and predictable states, known as 'pointer states,' and replicates them innumerably within the environment. Just as only the genetic information advantageous for survival is passed on and spreads in natural selection, the essence of 'Quantum Darwinism' is that quantum information also undergoes a 'survival of the fittest' process dictated by the environment. This ultimately forms an objective macroscopic reality that all of us can commonly perceive. ■ Life, a Product of Evolution that Anchors Quantum Information into Reality Philip Ball noted that these physical principles are strikingly similar to the way biological systems process information. He explains that the vital activities of living organisms—such as recognizing external stimuli, preserving genetic information, and controlling complex metabolic processes—are fundamentally the very processes of filtering meaningful information from quantum superpositions and anchoring them into the physical states of the real world. This report suggests that quantum biology is not merely a discipline that investigates microscopic reactions within cells. Rather, it is a grand unified theory explaining how life has utilized the universe's fundamental principles to process information and evolve. Built upon the theories of Dr. Zurek, a master of modern physics, this analysis presents a new philosophical and physical paradigm that views life as a cosmic entity where matter, information, and quantum mechanics are perfectly integrated.
• A Perspective paper published in PNAS presents the scope and future research directions of quantum biology. • Focuses on quantum coherence and synchronization at macroscopic scales, rather than simply being a collection of unexplained phenomena. • Proposes three core open questions: the development of quantum probes, quantum-like classical systems, and the macroscopic amplification of microscopic quantum effects. [Quantum Biology Society] Generally, the "warm, wet, and noisy" environment that makes up living organisms is considered the most hostile condition for true quantum effects like entanglement or coherence to exist. However, elucidating how living organisms overcome these paradoxical limitations and utilize unique quantum wave-like properties for functional advantages is the very core of "quantum biology." Recently, a Perspective paper titled "What is quantum biology?" was published in the Proceedings of the National Academy of Sciences (PNAS), drawing the attention of the academic community. A research team including Gregory D. Scholes and Graham R. Fleming clearly declared that quantum biology is not simply a "grab bag of biological phenomena that cannot be fully explained quantitatively by current science." ■ 'Coherence' and 'Synchronization' Governing Life Phenomena The paper reviews existing representative studies, such as exciton spreading in photosynthesis and avian navigation (magnetic field sensing), focusing on the "coherence" and "resonance" phenomena occurring in vivo. According to the researchers, the evolutionary process finely tuned the local protein environments of chromophores to closely match electronic and vibrational energy gaps. This optimization of frequency resonance is strong evidence that living organisms actively utilize quantum mechanical entanglement and wave properties to gain macroscopic physiological advantages. Furthermore, they explained that noise does not merely act as a destructive factor that collapses quantum states; rather, it can play a beneficial role in amplifying minute quantum signals and assisting transport through "stochastic resonance" or "quantum ratchet" mechanisms. ■ 3 Core Open Questions for the Future of Quantum Biology The researchers proposed three core open questions that must be resolved to firmly establish quantum biology as an independent discipline and focus future research agendas. 1. Development of quantum probes: Measurement technologies called "quantum probes" are needed to clearly and sharply reveal the quantum functions hidden within complex biological systems. 2. Identification of quantum-like systems: It must be determined whether classical biological machineries have the potential to exhibit useful properties as if possessing a "quantum advantage" simply by mimicking quantum systems. 3. Amplification to the macroscopic scale: We must understand the missing link of how microscopic-scale quantum mechanical mechanisms are amplified to the biological scale, providing the foundation for new macroscopic functions. This paper clearly redefined the scope of quantum biology into categories including: ▲ interactions with fields such as light, magnetic, and electric fields; ▲ various forms of coherence phenomena; ▲ microscopic quantum dynamical systems including spin and proton tunneling; and ▲ complex systems that mimic quantum phenomena through networks. Experts anticipate that this study will serve as an important compass for future quantum biology research, going beyond merely confirming the physical laws of the microscopic world to asking how living organisms control and optimize quantum phenomena in macroscopic environments.
This essay addresses the fundamental question "How Quantum is Life?" by proposing a radical reframing: biological systems are not classical entities that occasionally exploit quantum effects, but rather sophisticated interfaces where quantum potential continuously collapses into classical actuality. Drawing on the KnoWellian Universe Theory, we argue that life IS the quantum measurement process made self-sustaining, self-aware, and self-improving. The work directly responds to two core questions in quantum biology: (1) Do biological systems employ quantum advantages? and (2) Does a complete description of biological systems require quantum mechanics? Our answers are emphatic: biological systems don't just employ quantum advantages—they ARE quantum advantage incarnate; and quantum mechanics is categorically required for understanding not just molecular structure but biological process, consciousness, and the very nature of living systems. We examine empirical evidence from photosynthesis (long-lived quantum coherence), avian magnetoreception (sustained entanglement), enzyme catalysis (quantum tunneling), and neural computation (potential quantum information processing in microtubules). Each case is reinterpreted through the KnoWellian framework, which proposes that living systems maintain quantum coherence by continuously re-establishing it through coupling to the KnoWellian Resonant Attractor Manifold (KRAM)—a cosmic memory substrate that records all quantum measurement events and biases future measurements. The essay provides five detailed experimental proposals with specific methodologies and falsifiable predictions: (1) KRAM memory effects in biological quantum processes showing history dependence, (2) quantum signatures for life detection applicable to astrobiology, (3) consciousness as quantum phase transition measurable via harmonic ratios in neural activity, (4) morphic resonance demonstrating non-local KRAM effects in biological development, and (5) quantum thermodynamic work extraction enhanced by KRAM structure. We resolve Schrödinger's cat paradox by recognizing that living systems are never in superposition because they continuously self-observe—life is self-measurement. We address the hard problem of consciousness by identifying it with the universal Instant field—the subjective experience of being the quantum-classical interface from within. We propose that biological complexity should be quantified not by classical information measures but by depth of KRAM imprinting—the extent to which a system has participated in quantum measurement and shaped cosmic memory. This work bridges foundational physics, quantum biology, consciousness studies, and astrobiology, offering a unified framework where quantum mechanics is not peripheral to biology but constitutive of what it means to be alive. While developed for the FQXi essay competition "How Quantum is Life?", this essay serves as an accessible introduction to the KnoWellian Universe Theory's implications for life sciences and provides a roadmap for experimental programs testing whether biological quantum effects exhibit memory, intentionality, and non-locality beyond standard quantum mechanical predictions.
Living systems operate far from thermodynamic equilibrium while maintaining a high degree of internal order, raising the long-standing question of how fragile quantum coherence can persist in warm, noisy biological environments. While several biological processes exhibit signatures of quantum coherence, the physical mechanisms responsible for stabilizing such coherence remain an active area of debate. In this work, we present a phenomenological model demonstrating that quantum coherence in open spin systems can be stabilized through entropy-dependent feedback with a weakly coupled coherent field. We consider an open quantum spin ensemble subject to environmental decoherence, augmented by (i) entropy-sensitive suppression of decoherence and (ii) a coherence-inducing interaction that favors low-entropy, collectively coherent configurations. Using multipartite Greenberger-Horne-Zeilinger (GHZ) states as representative low-entropy coherent states, numerical simulations reveal nonlinear threshold behavior, entropy collapse, and long-lived coherence despite strong environmental noise. These features provide clear signatures of a positive feedback loop, wherein coherence suppresses decoherence, reduced decoherence enhances coherence, and the resulting self-reinforcement stabilizes the system. Importantly, the model is agnostic to the physical origin of the coherent field and is compatible with a wide range of candidates, including internally generated biological oscillations, collective electromagnetic or redox dynamics, oxygen-mediated spin correlations, and other structured cellular fields. As an illustrative example, we discuss the potential role of an ultralight dark matter (ULDM) background field, whose predicted macroscopic coherence and oscillation frequencies could, in principle, participate in the same feedback mechanism. By separating the general principle of feedback-stabilized coherence from any specific physical realization, this work provides a unifying theoretical framework for understanding how quantum coherence may persist in open, noisy systems relevant to biological physics. The results suggest that coherence in living matter may arise not from isolation from the environment, but from structured coupling to coherent fields that dynamically regulate decoherence through entropy-sensitive feedback.
• Published in PLOS One, reinterpreting DNA not as classical chemical bonds but as an open quantum system continuously interacting with the external environment. • Presents a theoretical framework where quantum tunneling, wave functions, and macroscopic quantum entanglement regulate the directionality of genetic mutations and increase survival fitness under environmental stress. • An innovative model demonstrating that genetic evolution is not driven by simple random chemical variations, but by a highly synchronized quantum mechanical probability distribution system within the cell. [Quantum Biology Society] Since Charles Darwin, the evolution of living organisms has been explained within the classical biological framework of random mutation and natural selection. However, a groundbreaking study has recently been published that reinterprets the mechanisms of genetic information preservation and evolution beyond the perspective of classical chemical bonds into subatomic quantum physics, delivering a fresh shock to the academic community. A paper titled "DNA as a quantum system in evolution," published in the March 2026 issue of the international journal PLOS One, identified DNA not merely as an information storage medium but as an open quantum system continuously communicating with the environment. Researcher Nahuel Aquiles Garcia, who conducted this single-author study, newly analyzed DNA dynamics through a quantum-informational model, presenting groundbreaking insights into the evolutionary process of living organisms. ■ An Open Quantum System Communicating with the Environment The researcher explained that DNA, the genetic material of living organisms, functions not as an isolated chemical molecule but as an open quantum system constantly interacting with minute energy changes in the external environment. According to this framework, changes in the minute wave function, quantum tunneling, and macroscopic quantum entanglement phenomena occurring within DNA directly affect the genetic behavior of living organisms. ■ Directionality of Mutations Beyond Randomness The most interesting part is the redefinition of how genetic mutations occur under environmental stress. From the existing Darwinian perspective, mutations were considered the result of blind and random chemical errors. However, the new quantum biological model suggests that the complex energy fields within the cell and the highly synchronized quantum mechanical probability distribution system between molecules can specifically regulate the directionality of mutations. In other words, quantum phenomena can microscopically guide evolutionary pressure in a direction that increases the survival fitness of the organism. ■ A New Paradigm in Evolutionary Biology This study is a bold and innovative biophysical achievement demonstrating that genetic evolution might not simply be the product of blind chance, but an elegant process fundamentally driven and orchestrated by the laws of quantum physics. This new paradigm, which integrates classical biology and quantum mechanics in unlocking the secrets of the origin and evolution of life, is expected to open completely new horizons of research across genetics and the life sciences in the future.