Published 2023-07-01
“…By examining the extrapolated conductivity at the
absolute zero temperature (<i>T</i> = 0), denoted as <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi>σ</mi></mrow><mrow><mn>0</mn></mrow></msub></mrow></semantics></math></inline-formula>, as a function of the electron density <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi>n</mi></mrow><mrow><mi>s</mi></mrow></msub></mrow></semantics></math></inline-formula>, we identify two distinct regimes with varying <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi>σ</mi></mrow><mrow><mn>0</mn></mrow></msub><mo>(</mo><msub><mrow><mi>n</mi></mrow><mrow><mi>s</mi></mrow></msub><mo>)</mo></mrow></semantics></math></inline-formula> patterns, indicating the existence of two different phases. …”
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