Journal
PHYSICAL REVIEW B
Volume 101, Issue 20, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.101.205146
Keywords
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Funding
- Dutch Ministry of Education, Culture and Science (OCW)
- Deutsche Forschungsgemeinschaft through the Emmy Noether Program [KA 3360/2-1]
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Energy transport can reveal information about interacting many-body systems beyond other transport probes. In particular, in one dimension it has been shown that the energy current is directly proportional to the central charge, thus revealing information about the degrees of freedom of critical systems. In this paper, we explicitly verify this result in two cases for translationally invariant systems based on explicit microscopic calculations. More importantly, we generalize the result to nontranslation invariant setups and use this to study a composite system of two subsystems possessing different central charges. We find a bottleneck effect, meaning the smaller central charge limits the energy transport.
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