Artículo
Vucicevic, J.; Tanaskovic, D.; Rozenberg, M.J.; Dobrosavljević, V. "Bad-Metal Behavior Reveals Mott Quantum Criticality in Doped Hubbard Models" (2015) Physical Review Letters. 114(24)
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Abstract:
Bad-metal (BM) behavior featuring linear temperature dependence of the resistivity extending to well above the Mott-Ioffe-Regel (MIR) limit is often viewed as one of the key unresolved signatures of strong correlation. Here we associate the BM behavior with the Mott quantum criticality by examining a fully frustrated Hubbard model where all long-range magnetic orders are suppressed, and the Mott problem can be rigorously solved through dynamical mean-field theory. We show that for the doped Mott insulator regime, the coexistence dome and the associated first-order Mott metal-insulator transition are confined to extremely low temperatures, while clear signatures of Mott quantum criticality emerge across much of the phase diagram. Remarkable scaling behavior is identified for the entire family of resistivity curves, with a quantum critical region covering the entire BM regime, providing not only insight, but also quantitative understanding around the MIR limit, in agreement with the available experiments. © 2015 American Physical Society.
Registro:
| Documento: | Artículo |
| Título: | Bad-Metal Behavior Reveals Mott Quantum Criticality in Doped Hubbard Models |
| Autor: | Vucicevic, J.; Tanaskovic, D.; Rozenberg, M.J.; Dobrosavljević, V. |
| Filiación: | Scientific Computing Laboratory, Institute of Physics Belgrade, University of Belgrade, Pregrevica 118, Belgrade, 11080, Serbia Laboratoire de Physique des Solides, CNRS-UMR8502, Université de Paris-Sud, Orsay, 91405, France Departamento de Física, Universidad de Buenos Aires, Ciudad Universitaria Pabellón i, Buenos Aires, 1428, Argentina Department of Physics, National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32306, United States |
| Año: | 2015 |
| Volumen: | 114 |
| Número: | 24 |
| DOI: | http://dx.doi.org/10.1103/PhysRevLett.114.246402 |
| Título revista: | Physical Review Letters |
| Título revista abreviado: | Phys Rev Lett |
| ISSN: | 00319007 |
| CODEN: | PRLTA |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00319007_v114_n24_p_Vucicevic |
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Citas:
---------- APA ----------
Vucicevic, J., Tanaskovic, D., Rozenberg, M.J. & Dobrosavljević, V. (2015) . Bad-Metal Behavior Reveals Mott Quantum Criticality in Doped Hubbard Models. Physical Review Letters, 114(24).http://dx.doi.org/10.1103/PhysRevLett.114.246402
---------- CHICAGO ----------
Vucicevic, J., Tanaskovic, D., Rozenberg, M.J., Dobrosavljević, V. "Bad-Metal Behavior Reveals Mott Quantum Criticality in Doped Hubbard Models" . Physical Review Letters 114, no. 24 (2015).http://dx.doi.org/10.1103/PhysRevLett.114.246402
---------- MLA ----------
Vucicevic, J., Tanaskovic, D., Rozenberg, M.J., Dobrosavljević, V. "Bad-Metal Behavior Reveals Mott Quantum Criticality in Doped Hubbard Models" . Physical Review Letters, vol. 114, no. 24, 2015.http://dx.doi.org/10.1103/PhysRevLett.114.246402
---------- VANCOUVER ----------
Vucicevic, J., Tanaskovic, D., Rozenberg, M.J., Dobrosavljević, V. Bad-Metal Behavior Reveals Mott Quantum Criticality in Doped Hubbard Models. Phys Rev Lett. 2015;114(24).http://dx.doi.org/10.1103/PhysRevLett.114.246402
