Comparison between a diagrammatic theory for the BCS-BEC crossover and Quantum Monte Carlo results
classification
❄️ cond-mat.supr-con
cond-mat.other
keywords
resultsbcs-beccarlocrossoverdiagrammaticmonteobtainedquantum
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Predictions for the chemical potential and the excitation gap recently obtained by our diagrammatic theory for the BCS-BEC crossover in the superfluid phase are compared with novel Quantum Monte Carlo results at zero temperature now available in the literature. A remarkable agreement is found between the results obtained by the two approaches
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