183 citations
- Universidad Nacional Autónoma de MéxicoMX46 papers
- Pontificia Universidad Católica de ValparaísoCL29 papers
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- Centro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalMX11 papers
- University of ValparaísoCL9 papers
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- Autonomous University of San Luis PotosíMX6 papers
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20 papers · 1 filter
Quantum multifractality as a probe of phase space in the Dicke model
Miguel A. Bastarrachea-Magnani, David Villaseñor, Jorge Chávez-Carlos +3
We study the multifractal behavior of coherent states projected in the energy eigenbasis of the spin-boson Dicke Hamiltonian, a paradigmatic model describing the collective interac…
Quantum tunneling and level crossings in the squeeze-driven Kerr oscillator
Miguel A. Prado Reynoso, D. J. Nader, Jorge Chávez-Carlos +6
The quasi-energy spectrum recently measured in experiments with a squeeze-driven superconducting Kerr oscillator showed good agreement with the energy spectrum of its corresponding…
Chaos and Thermalization in the Spin-Boson Dicke Model
David Villaseñor, Saúl Pilatowsky-Cameo, Miguel A. Bastarrachea-Magnani +3
We present a detailed analysis of the connection between chaos and the onset of thermalization in the spin-boson Dicke model. This system has a well-defined classical limit with tw…
Persistent revivals in a system of trapped bosonic atoms
Carlos Diaz Mejia, Javier de la Cruz, Sergio Lerma-Hernandez +1
Dynamical signatures of quantum chaos are observed in the survival probability of different initial states, in a system of cold atoms trapped in a linear chain with site noise and…
Effective dimensions of infinite-dimensional Hilbert spaces: A phase-space approach
Saúl Pilatowsky-Cameo, David Villaseñor, Miguel A. Bastarrachea-Magnani +2
By employing Husimi quasiprobability distributions, we show that a bounded portion of an unbounded phase space induces a finite effective dimension in an infinite dimensional Hilbe…
Avoided crossings and dynamical tunneling close to excited-state quantum phase transitions
D. J. Nader, C. A. González-Rodríguez, S. Lerma-Hernández
Using the Wherl entropy, we study the delocalization in phase-space of energy eigenstates in the vicinity of avoided crossing in the Lipkin-Meshkov-Glick model. These avoided cross…