Gauss law codes identify the full gauge-invariant sector as the code space while vacuum codes restrict to the matter vacuum, with the two shown to be unitarily equivalent for finite gauge groups.
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Extends quantum reference frames to quantum reference fields in linearized quantum gravity and derives unitary maps implementing relational gauge-invariant observables between quantum perspectives.
In a thermal graviton bath the light-cone support of a scalar commutator is Gaussian with variance Var(x^{2})=16 G_N T t^{3}/3 after vacuum subtraction.
A covariant first-quantized clock formalism yields unitary proper-time evolution for inertial and magnetically accelerated clocks, producing density matrices whose peaks recover classical time dilation plus Gaussian or modulated quantum fluctuations for coherent states.
citing papers explorer
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Gauss law codes and vacuum codes from lattice gauge theories
Gauss law codes identify the full gauge-invariant sector as the code space while vacuum codes restrict to the matter vacuum, with the two shown to be unitarily equivalent for finite gauge groups.
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Quantum Reference Fields Transformations in Linearized Quantum Gravity
Extends quantum reference frames to quantum reference fields in linearized quantum gravity and derives unitary maps implementing relational gauge-invariant observables between quantum perspectives.
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Probabilistic Causality from Graviton Fluctuations
In a thermal graviton bath the light-cone support of a scalar commutator is Gaussian with variance Var(x^{2})=16 G_N T t^{3}/3 after vacuum subtraction.
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A spacetime-covariant approach to inertial and accelerated quantum clocks in first-quantization
A covariant first-quantized clock formalism yields unitary proper-time evolution for inertial and magnetically accelerated clocks, producing density matrices whose peaks recover classical time dilation plus Gaussian or modulated quantum fluctuations for coherent states.