Author

Tai Hyun Yoon

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Preprint Nov 2026

Quantum Relative Entropy and Information Flux Resolve Wavefunction Collapse in Spacelike-Separated QED Waveguides

Resolving how first-order quantum coherence and definite measurement outcomes emerge from entangled vacuum fluctuations across spacelike-separated regions is unified here by the principle that quantum relative entropy governs the energy-information flux across causal boundaries [P.~Dorau and A.~Much, Phys.~Rev.~Lett.~\...

Tai Hyun Yoon · 0 citations

Preprint Oct 2026

Single-photon time qubit: Quantum-vacuum control and complementarity of the arrow of time

Treating the arrow of time as a controllable quantum variable rather than a fixed external parameter is a central challenge in quantum physics. Recently, Bloch~\cite{Bloch2025} proposed the theoretical concept of a \emph{time qubit}, a two-level control space $\mathcal{H}_T=\mathrm{span}\{\ket{+},\ket{-}\}$ that select...

Tai Hyun Yoon · 1 citation

Preprint Oct 2026

Resolving Nonlocal State Reduction via Induced Coherence in Frequency-Comb Biphoton Sources

How macroscopic definite outcomes and nonlocal correlations emerge from entangled superpositions across spacelike-separated regions without superluminal action or {\it ad hoc} wavefunction collapse remains a defining open question in the foundations of quantum mechanics. Here, we resolve this century-long paradox withi...

Tai Hyun Yoon · 1 citation