This preprint presents a closed, non-unitary evolution–measurement framework describing a cyclic process of distinction, probabilistic localization, reflexive stabilization, integration, and compression. Unlike standard quantum mechanics, where unitary Schrödinger evolution is taken as fundamental and measurement is treated as external, the present model treats measurement as an intrinsic structural step within the dynamics themselves. The framework introduces attention-modulated open-system evolution, explicit normalization-aware measurement probabilities, and a reflexive fixed-point construction for stabilized states. Physical observables arise through projection and partial tracing, yielding a reduced density matrix interpreted as physical reality. An internal, accumulated notion of time—distinct from the external evolution parameter—is also defined, allowing attention to modulate experienced temporal flow. The model is formulated at a formal and exploratory level, without assuming a specific physical Hamiltonian or experimental realization. It is intended as a conceptual and mathematical contribution to the foundations of quantum mechanics, particularly in relation to measurement theory, non-unitary dynamics, and information-theoretic structure. No claims of empirical validation are made.
This preprint presents a closed, non-unitary evolution–measurement framework describing a cyclic process of distinction, probabilistic localization, reflexive stabilization, integration, and compression. Unlike standard quantum mechanics, where unitary Schrödinger evolution is taken as fundamental and measurement is treated as external, the present model treats measurement as an intrinsic structural step within the dynamics themselves. The framework introduces attention-modulated open-system evolution, explicit normalization-aware measurement probabilities, and a reflexive fixed-point construction for stabilized states. Physical observables arise through projection and partial tracing, yielding a reduced density matrix interpreted as physical reality. An internal, accumulated notion of time—distinct from the external evolution parameter—is also defined, allowing attention to modulate experienced temporal flow. The model is formulated at a formal and exploratory level, without assuming a specific physical Hamiltonian or experimental realization. It is intended as a conceptual and mathematical contribution to the foundations of quantum mechanics, particularly in relation to measurement theory, non-unitary dynamics, and information-theoretic structure. No claims of empirical validation are made.
Abstract This article presents a revised and conceptually refined formulation of a previously proposed Temporal Interpretation of quantum measurement, explicitly addressing the physical nature of wavefunction collapse. While the original proposal emphasised relativistic aspects of momentum superpositions, the present work clarifies the interpretation within the standard formalism of quantum mechanics, without introducing new dynamics or experimental predictions. Unitary evolution is read as a process of differentiated phase accumulation between branches of a quantum state. In relativistic contexts, phase differentials can be structurally related to effective proper-time differentials, allowing the introduction of a notion of temporal compatibility that provides a physically grounded account of decoherence. When such differentials exceed a characteristic scale, interference between branches becomes operationally inaccessible, while global unitarity is preserved. The observer is treated as a physical system endowed with an irreversible proper time associated with macroscopic, entropic dynamics. Within this framework, collapse is explained as an emergent physical phenomenon arising from the irreversibility of the observer’s proper time, which prevents the reconstruction of phase coherence after an interaction. Collapse is therefore neither a fundamental dynamical mechanism nor an objective event in space-time, but a necessary consequence of temporal irreversibility in physical observers. This formulation sharpens the distinction between decoherence and collapse, preserves full consistency with the Born rule, and positions the Temporal Interpretation as a competing interpretative framework that provides a concrete physical explanation for the quantum–classical transition, improving and clarifying the original proposal. This version clarifies the operational status of the interaction time, refines Sections 5.3 and 5.4, and standardises references and editorial structure. No changes to the formalism or conclusions.
The quantum measurement problem arises from a structural asymmetry in standard formulations of quantum mechanics: while unitary evolution is treated as fundamental, irreversible events are introduced only through ad hoc postulates. As a result, measurement, decoherence, and probability appear conceptually disconnected. In this work, we propose a minimal reformulation in which irreversible interaction events are taken as ontological primitives. An event is defined as a completely positive, trace-preserving map that is not equivalent to any unitary transformation. Unitary evolution emerges as an effective description valid between events. Within this framework, quantum measurement is not a special process but a particular class of irreversible events with outcome-resolving structure. The Born rule arises naturally from the statistical structure of event realizations, and environmental decoherence is reinterpreted as a high density of irreversible events. No collapse postulate, observer-dependent rule, or modification of quantum dynamics is required. This formulation provides a unified and physically grounded resolution of the measurement problem and establishes a conceptual foundation for event-based extensions connecting quantum theory with spacetime and gravity.
Quantum mechanics lacks a physical definition of measurement, observer, probability, and experienced time. These notions are instead treated as primitive or interpretation-dependent, leading to persistent foundational problems including the measurement problem, the origin of the Born rule, observer disagreement in Wigner’s Friend scenarios, the arrow of time, and apparent information loss in black hole evaporation. In this work, we show that these problems share a single missing ingredient: the absence of an operational definition of observers as bounded physical systems. We define observers as physically realizable systems capable of forming irreversible internal records under unitary dynamics. Measurement is identified with record formation, probability with record redundancy, experienced time with record accumulation, and irreversibility with computational inaccessibility rather than non-unitarity. Using decoherence and quantum Darwinism, we show that the number of accessible, decoherence-stable records associated with an outcome scales with the squared amplitude, yielding the Born rule from record counting without invoking collapse, subjective probability, or additional axioms. Observer-relative paradoxes dissolve once outcome definiteness is indexed to record formation rather than to the global quantum state. Reconstruction of global quantum information is shown to require exponential resources, rendering measurement and black hole evaporation operationally irreversible despite global unitarity. The resulting framework closes quantum mechanics conceptually by eliminating undefined primitives, without modifying its mathematical structure or introducing new dynamical postulates.
The standard formulation of quantum mechanics combines deterministic unitary evolution with non-deterministic measurement postulates. Although operationally successful, this hybrid structure introduces internal tensions between continuity, probability, and physical law. In this work, we examine the standard postulates across five independent formalisms—the Schro¨dinger picture, the Heisenberg picture, the path integral formulation, the density matrix framework, and open-systems measurement theory. By identifying the load-bearing assumptions required to sustain intrinsic randomness, we reveal a deeper consistency condition implicit in all five approaches. When made explicit, this condition enforces a fully deterministic substrate underlying quantum evolution, with apparent stochasticity arising only from coarse-graining over unresolved degrees of freedom. No empirical predictions are altered. Instead, determinism emerges as the minimal completion of the standard formalism.
The Scalar Temporal Field Ontology (STFO) treats time as a physical scalar field whose spacetime gradients define causal ordering and temporal directionality. While prior work established the classical dynamics and effective field theory structure of STFO, a consistent formulation of quantum mechanics requires that quantum evolution be defined without reference to an external time parameter. In this work quantum mechanics is derived as unitary evolution along the temporal scalar field itself. Using a covariant path integral formulation, Schrödinger evolution is shown to arise as a gauge-fixed description of dynamics along the normalized temporal congruence. Measurement and the emergence of classical behavior follow from controlled temporal decoherence induced by EFT-suppressed matter couplings. The framework preserves standard quantum mechanics in weak-field regimes while predicting small, environment-dependent deviations accessible to precision experiments.Note:Earlier unified formulations of the Scalar Temporal Field Ontology admit an intrinsic ultraviolet regularization through nonlinear temporal feedback that dynamically saturates stress–energy. In the present phenomenological and quantum analyses, we work explicitly in the controlled low-energy effective limit of this theory, where predictions can be extracted and compared to observations without invoking the full ultraviolet dynamics.
This mini-monograph proposes a new variational and information-geometric framework for understanding the quantum measurement problem, with particular emphasis on the unresolved problem of outcome selection. While decoherence theory explains the suppression of interference and the emergence of stable pointer bases, it does not by itself explain why one definite outcome is realized rather than another. This work argues that the missing element is not simply an additional dynamical mechanism, but a structural principle of selection. The central thesis is that quantum measurement may be understood as a process of entropic channel selection within a structured space of admissible outcomes. Drawing on Schrödinger bridge theory, entropy-regularized optimal transport, stochastic path-space variational principles, concentration of measure, and large deviation theory, the monograph develops a framework in which collapse-like definiteness emerges through constrained probabilistic evolution. Measurement is thereby reinterpreted not as an arbitrary interruption of unitary dynamics, but as a threshold phenomenon in the geometry of information. The work introduces an informational configuration space of possible resolution channels, defines an entropic action functional over stochastic paths, and proposes a channel-selection principle based on entropy-minimizing interpolation. It further examines the relation between Schrödinger bridges and optimal transport, explores the zero-noise limit, connects the framework to path-integral intuition, and develops explicit models of Gaussian bridge dynamics and two-channel selection. The emergence of classicality is treated through exponential concentration, threshold amplification, and phase-transition-like stabilization in high-dimensional systems. The monograph does not claim to replace standard quantum mechanics. Rather, it seeks to clarify how definite outcomes might arise from variational organization within probability itself, while remaining compatible with reduced quantum dynamics, decoherence, and open-system evolution. It is intended as a conceptual and mathematical foundation for further work at the intersection of quantum foundations, stochastic processes, information geometry, and the theory of emergent classicality.