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February 12, 2026Open Access

Quantum Causal Entropy as a Thermodynamic Foundation for Quantum Information and Quantum Computing

Puntos clave

The aim is to establish a thermodynamic and causal foundation for quantum information and computing using Quantum Causal Entropy (QCE).
Introduced Quantum Causal Entropy (QCE) framework for quantum evolution.
Reinterpreted qubits and quantum gates through entropy-weighted causal links.
Explored implications for decoherence, measurement collapse, and entanglement.
Developed concepts for quantum circuit design and error correction.
Established a link between coherence time, gate fidelity, and entropy production.
Proposed that entanglement is a shared causal-entropy structure.
Identified new design principles for hardware architecture to enhance noise resilience.

Resumen

Wepresentathermodynamicandcausal foundationforquantuminformationandquantumcomputingbasedonthe frameworkofQuantumCausalEntropy(QCE). InQCE, quantumevolutionisgovernedbyentropy-weightedcausal linksratherthanpurelyunitaryHilbert-spaceoperators. Thismodificationprovidesamicroscopicphysicaloriginfordecoherence,measurementcollapse,entanglementfragility,andquantumgateerrors.Wereinterpretqubitsasbundlesofentropy-degeneratecausalpaths,quantumgatesasphasecontrol devicesunder entropyconstraints, entanglement as sharedcausal–entropy structure,andquantumerrorsas localizedentropyspikes. Thisperspective leads tonewprinciples forquantumerrorcorrection,quantumcircuitdesign,andhardwarearchitecturebasedonentropymanagement.The frameworkyields experimentallytestablepredictions linkingcoherence time, gatefidelity,andentanglementstabilitytoentropyproduction,geometry,andmaterialpropertiesofquantumdevices.QCEthusbridgesquantuminformationtheorywithphysicalthermodynamicsandoffersanewpathwaytowardnoise-resilientquantumcomputation

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