1D Luttinger liquid & QED
P. Degiovanni, S. Peysson (ENS Lyon, France)
TL;DR
This paper explores the coupling of a 1D Luttinger liquid to quantum electromagnetic fields using Conformal Field Theory, analyzing how this affects the decoherence of superpositions of elementary excitations.
Contribution
It introduces a theoretical framework for understanding electromagnetic interactions in Luttinger liquids and computes decoherence effects using Conformal Field Theory.
Findings
Decoherence rates depend on the coupling strength
Superposition stability varies with excitation position
Electromagnetic field influences quantum coherence in 1D systems
Abstract
Using its Conformal Field Theory description, the Luttinger liquid is coupled to the quantum electromagnetic field. We compute the decoherence properties of a superposition of two states obtained by creating the same elementary excitation at different places in the system.
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Taxonomy
TopicsTopological Materials and Phenomena · Quantum and electron transport phenomena · Quantum Information and Cryptography