Electron wave–particle duality has remained one of the long-standing conceptual problems in quantum physics. While conventional interpretations successfully describe experimental outcomes, they do not provide a clear physical cause for the transition between wave-like and particle-like behavior. This work presents a causal explanation of electron duality based on the SAN Delta-E Principle, which identifies energy imbalance as the root of physical action. In this framework, the electron is interpreted as a condensed energy packet with finite rest mass, whereas the photon represents pure energy without rest mass. Wave behavior emerges when the electron propagates under undisturbed Delta-E conditions, while particle behavior arises when interaction introduces additional energy, creating a Delta-E disturbance that forces localization. Wave function collapse is therefore explained as a physical energy-density interaction effect, rather than an observer-dependent or purely probabilistic phenomenon. By distinguishing energy condensation states and interaction-driven Delta-E imbalance, this work provides a unified, non-mystical interpretation of electron duality and offers a clear physical origin for behaviors observed in double-slit and related quantum experiments.
Electron wave–particle duality has remained one of the long-standing conceptual problems in quantum physics. While conventional interpretations successfully describe experimental outcomes, they do not provide a clear physical cause for the transition between wave-like and particle-like behavior. This work presents a causal explanation of electron duality based on the SAN Delta-E Principle, which identifies energy imbalance as the root of physical action. In this framework, the electron is interpreted as a condensed energy packet with finite rest mass, whereas the photon represents pure energy without rest mass. Wave behavior emerges when the electron propagates under undisturbed Delta-E conditions, while particle behavior arises when interaction introduces additional energy, creating a Delta-E disturbance that forces localization. Wave function collapse is therefore explained as a physical energy-density interaction effect, rather than an observer-dependent or purely probabilistic phenomenon. By distinguishing energy condensation states and interaction-driven Delta-E imbalance, this work provides a unified, non-mystical interpretation of electron duality and offers a clear physical origin for behaviors observed in double-slit and related quantum experiments.
Wave-particle duality remains one of the most striking and conceptually unresolved features of quantum mechanics. Here I present a dynamical mechanism for wave-particle duality based on spontaneous stochastic mass-energy interconversion at subatomic scales. By promoting particle mass to a fluctuating quantity consistent with Einstein’s mass-energy equivalence, I derive a Schrödinger equation with an additional stochastic kinetic-phase term. Applied to the canonical double-slit experiment, the framework shows that quantum interference arises from coherent, path-dependent phase accumulation driven by mass-energy fluctuations, while particle-like localization emerges naturally at detection. The formalism yields closed-form expressions for interference visibility, predicts a momentum- and mass-dependent decoherence rate, admits a path-integral interpretation, and enables direct experimental bounds using neutron, electron, and atom interferometry. The results provide a physically grounded account of wave-particle duality without modifying the axioms of quantum mechanics.
Abstract The double-slit experiment is a classic experiment that presents the clearest manifestation of wave-particle duality, one of the fundamental principles of quantum mechanics. The double-slit experiment still remains the phenomenon that demonstrates wave-particle duality at the most fundamental level. This phenomenon quantitatively and conceptually demonstrates that microscopic objects can behave like both waves and particles at the same time. This article provides an in-depth analysis of the physical nature of dualism, the mechanism of formation of the interference pattern, and the impact of the act of observation on the dynamics of quantum systems. The need for a new perspective on this topic is due to the fact that the current uncertainty in the interpretation of quantum reality has not yet been completely eliminated, and the boundaries between classical and quantum behavior in microscopic objects are still being explored. The results presented here restructure the deep mechanisms of the interference picture, more clearly frame the relationship between observation and wavefunction collapse, and provide a quantum. Since the article attempts to provide a complete answer to the mechanism of the formation of wave-particle duality, extensive space is given to sections such as historical development, theoretical models, modern research, etc. New approaches to this phenomenon have been developed using modern research and string theory. As a result, a new mathematical expression has been proposed that explains the reasons for the initial emergence of wave-particle duality, and is also important for string theory. The article explains the measurement problem with a more effective physical structure and ontological model.
Wave-particle duality is widely regarded as one of the conceptual pillars of modern quantum theory, providing the framework through which the behavior of microscopic matter can be consistently interpreted. According to this principle, microscopic entities such as electrons, photons, atoms and even complex molecules exhibit both wave-like and particle-like properties depending on the experimental configuration used to observe them. This duality is quantitatively formalized through the De Broglie relation, which associates a wavelength with any particle possessing momentum. The present work provides a comprehensive theoretical analysis of the physical and mathematical foundations of wave-particle duality, focusing particularly on the De Broglie wavelength and the kinetic energy of the electron in both non-relativistic and relativistic regimes. The connection between the De Broglie hypothesis and Schrödinger’s equation is discussed in detail, highlighting the role of the kinetic energy operator and the interpretation of matter waves in terms of quantum wave packets. Experimental evidence supporting the wave nature of matter, including electron diffraction experiments and interferometry techniques, is also reviewed. Beyond their conceptual importance, these principles underpin several modern technologies, including electron microscopy, nanoscale semiconductor devices and quantum metrology. The analysis demonstrates that the De Broglie relation provides a unifying framework connecting momentum, wavelength and kinetic energy, thereby forming a fundamental bridge between classical mechanics, quantum theory and modern technological applications.
Field-Theoretic Explanation of Wave-Particle Duality—Unification of Particle Locality and the Wave Nature of the Perturbation Field This paper provides a physical explanation of the most central puzzle in quantum mechanics—wave-particle duality—without relying on "probability-amplitude collapse" or "nonlocal entanglement." This theory divides all matter in the universe into Nie-matter entities (massive, Staticity) and Ji-matter entities (massless, Dynamicity), and maintains that quantum objects (electrons, neutrons, etc.) are always localized Nie-matter entity particles. Their "wave behavior" originates from the particle's local perturbation of the Ji-matter field that already fills space during motion—the perturbation propagates in the form of a wave, produces an interference field when passing through the double slits, and the interference field in turn guides the particle's landing position. The particle always passes through only one slit, while the field passes through both slits simultaneously; interference is the behavior of the field, not the behavior of the particle. This mechanism naturally explains double-slit interference, the coexistence of neutron collisions and wave behavior, the disturbance of interference fringes by observation devices, and the variation of interference contrast with source offset and slit spacing. This paper further gives three falsifiable predictions: P6-1 (a decisive distinction between device field-strength disturbance and which-path information disturbance), P6-2A (the disturbance effect varies continuously with field strength), and P6-2B (an argument for the explanatory power of double-slit interference contrast—naturally derived from one mechanism vs. jointly explained by four independent concepts). Compared with mainstream theory, this theory does not need "wavefunction collapse," does not need "nonlocality," and does not need "many worlds"—it only needs to acknowledge: particles are localized, the field fills space, and the motion of particles is guided by the local field gradient.
The main goal of the present article is to elucidate the wave-particle duality problem by giving an unambiguous mathematical expression of the origin of the wave nature of particles. It is indicated that the wave nature of particles is originated from the multidimensional universe approach and under the one-dimensional universe assumption the wave nature vanishes. The one-dimensional universe assumption also gives a deterministic explanation for the double-slit experiment and answers how a single electron can interfere with itself. The locality paradox is also discussed. It is demonstrated that the same principle shows how a local measurement can determine the state of a distant system. The theoretical framework presented here may help us to understand various quantum physics phenomena. i.e., the superposition principle, wave function collapse, and entanglement.
Abstract Quantum interference is often seen as a manifestation of intrinsic wave–particle duality, invoking self-interference and wavefunction superposition. We propose an alternative causal framework where interference arises from interactions between a classical electron and a quantized electromagnetic field. Electrons follow definite, localized trajectories and yield discrete detection events. The wave-like interference pattern emerges statistically from stochastic, nonlocal momentum transfers mediated by quantized field modes. Simulations of double-slit experiments show that dot-like fringes arise without wavefunction collapse or intrinsic wave behavior. Doubling the electron mass narrows fringe spacing in line with de Broglie scaling, suggesting the effective wavelength results dynamically from field coupling, not as an inherent particle trait. This interpretation preserves classical realism while reproducing quantum interference as an emergent, ensemble-level phenomenon. It provides a deterministic account grounded in structured field interactions. In this view, wave–particle duality of electrons reflects the wave nature of photons—the massless U(1) gauge bosons mediating the field—rather than being a fundamental property of matter.