NombrePérez Fernández, Pedro
DepartamentoFísica Aplicada III
Área de conocimientoFísica Aplicada
Categoría profesionalProfesor Titular de Universidad
Correo electrónicoSolicitar
           
  • Nº publicaciones

    32

  • Nº visitas

    3806

  • Nº descargas

    7425


 

Artículo
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Digital-analog quantum computation with arbitrary two-body Hamiltonians

García de Andoin, Mikel; Saiz Castillo, Álvaro; Pérez Fernández, Pedro; Lamata Manuel, Lucas; Oregi, Izaskun; Sanz, Mikel (American Physical Society, 2024)
Digital-analog quantum computing is a computational paradigm which employs an analog Hamiltonian resource together with ...
Artículo
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Excited-state Quantum Phase Transitions in the Anharmonic Lipkin-Meshkov-Glick Model: Dynamical Aspects

Khalouf Rivera, Yamil; Gamito, J.; Pérez Bernal, Francisco; Arias Carrasco, José Miguel; Pérez Fernández, Pedro (American Physical Society, 2023)
The standard Lipkin-Meshkov-Glick (LMG) model undergoes a second-order ground-state quantum phase transition (QPT) and an ...
Artículo
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Digital quantum simulation of an extended Agassi model: Using machine learning to disentangle its phase-diagram

Sáiz, Álvaro; García Ramos, José Enrique; Arias Carrasco, José Miguel; Lamata Manuel, Lucas; Pérez Fernández, Pedro (American Physical Society, 2022)
A digital quantum simulation for the extended Agassi model is proposed using a quantum platform with eight trapped ions. ...
Artículo
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A digital quantum simulation of the Agassi model

Pérez Fernández, Pedro; Arias Carrasco, José Miguel; García Ramos, José Enrique; Lamata Manuel, Lucas (Elsevier, 2022)
A digital quantum simulation of the Agassi model from nuclear physics is proposed and analyzed. The proposal is worked out ...
Artículo
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Excited-state Quantum Phase Transitions in the Anharmonic Lipkin-Meshkov-Glick Model: Static Aspects

Gamito, J.; Khalouf Rivera, Yamil; Arias Carrasco, José Miguel; Pérez Fernández, Pedro; Pérez Bernal, Francisco (American Physical Society, 2022)
The basic Lipkin-Meshkov-Glick model displays a second-order ground-state quantum phase transition and an excited-state ...
Artículo
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Entropies and IPR as Markers for a Phase Transition in a Two-Level Model for Atom–Diatomic Molecule Coexistence

Baena, Ignacio; Pérez Fernández, Pedro; Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel (Multidisciplinary Digital Publishing Institute (MDPI), 2022)
A quantum phase transition (QPT) in a simple model that describes the coexistence of atoms and diatomic molecules is ...
Trabajo Fin de Grado
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Introducción a la teoría de grupos y aplicación a la Física Molecular

Ponce Miguela, Alejandro; Arias Carrasco, José Miguel; Pérez Fernández, Pedro (2021)
Trabajo Fin de Máster
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Análisis de un quantum quench en el modelo de Lipkin anharmónico

Gamito Gómez, Juan; Arias Carrasco, José Miguel; Pérez Fernández, Pedro (2019)
Artículo
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The Invariant Two-Parameter Function of Algebras ψ

Escobar, José María; Núñez-Valdés, Juan; Pérez Fernández, Pedro (MDPI, 2019)
At present, the research on invariant functions for algebras is very extended since Hrivnák and Novotný defined in 2007 ...
Ponencia
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A beyond mean-field study of the Tavis- Cummings model

Tejera-Centeno, C.; Pérez Fernández, Pedro; Arias Carrasco, José Miguel (American Institute of Physics, 2019)
A beyond mean-field study of the Tavis-Cummings (TC) model is developed. This is the simplest model for describing the ...
Artículo
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Number conserving particle-hole RPA for superfluid nuclei

Dukelsky, Jorge; García Ramos, José Enrique; Arias Carrasco, José Miguel; Pérez Fernández, Pedro; Schuck, P. (Elsevier, 2019)
We present a number conserving particle-hole RPA theory for collective excitations in the transition from normal to ...
Trabajo Fin de Grado
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Estudio de transiciones de fase cuánticas en el modelo de Rabi

Román Lemos, Eduardo; Arias Carrasco, José Miguel; Pérez Fernández, Pedro (2019)
El objetivo de este trabajo es realizar un estudio sobre las transiciones de fase cuánticas que se presentan en el modelo ...
Tesis Doctoral
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Invariant functions and contractions of algebras.

Escobar Rica, Jose María; Núñez Valdés, Juan; Pérez Fernández, Pedro (2019)
Artículo
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An extended Agassi model: Algebraic structure, phase diagram, and large size limit

García Ramos, José Enrique; Dukelsky, Jorge; Pérez Fernández, Pedro; Arias Carrasco, José Miguel (Institute of Physics Publishing, 2019)
The Agassi model (Agassi 1968 Nucl. Phys. A 116 49) is a schematic two-level model that involves pairing and monopole-monopole ...
Artículo
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Phase diagram of an extended Agassi model

García Ramos, José Enrique; Dukelsky, Jorge; Pérez Fernández, Pedro; Arias Carrasco, José Miguel (American Physical Society, 2018)
Background: The Agassi model [D. Agassi, Nucl. Phys. A 116, 49 (1968)NUPABL0375-947410.1016/0375-9474(68)90482-X] is an ...
Artículo
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From thermal to excited-state quantum phase transition: The Dicke model

Pérez Fernández, Pedro; Relaño, Armando (American Physical Society, 2017)
We study the thermodynamics of the full version of the Dicke model, including all the possible values of the total angular ...
Artículo
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Excited-state quantum phase transitions in a two-fluid Lipkin model

García Ramos, José Enrique; Pérez Fernández, Pedro; Arias Carrasco, José Miguel (American Physical Society, 2017)
Background: Composed systems have become of great interest in the framework of ground-state quantum phase transitions ...
Artículo
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Phase diagram of the two-fluid Lipkin model: A "butterfly" catastrophe

García Ramos, José Enrique; Pérez Fernández, Pedro; Arias Carrasco, José Miguel; Freire Macías, Emilio (American Physical Society, 2016)
Background: In the past few decades quantum phase transitions have been of great interest in nuclear physics. In this ...
Capítulo de Libro
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Contractions of certain Lie algebras

Escobar Rica, José María; Núñez Valdés, Juan; Pérez Fernández, Pedro; Carriazo Rubio, Alfonso; Fuente Benito, Daniel de la; Márquez García, María del Carmen; Romero Sarabia, Alfonso (Godel, 2015)
This communication is focused on the study of contractions of certain types of Lie algebras of low dimension, in order to ...
Artículo
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Quantum phase transitions of atom-molecule Bose mixtures in a double-well potential

Arias Carrasco, José Miguel; Relaño, Armando; Dukelsky, Jorge; Pérez Fernández, Pedro (2014)
The ground state and spectral properties of Bose gases in double-well potentials are studied in two different scenarios: ...
Ponencia
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Decoherence and quantum quench: Their relationship with excited state quantum phase transitions

García Ramos, José Enrique; Arias Carrasco, José Miguel; Cejnar, Pavel; Dukelsky, Jorge; Pérez Fernández, Pedro; Relaño, Armando (American Institute of Physics, 2012)
We study the similarities and differences between the phenomena of Quantum Decoherence and Quantum Quench in presence of ...
Ponencia
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A beyond mean field study of Bose gases in a double-well potential with a Feshbach resonance

Pérez Fernández, Pedro; Relaño, Armando; Dukelsky, Jorge; Arias Carrasco, José Miguel (American Institute of Physics, 2012)
The Bose-Hubbard model coupled to a Feshbach resonance is studied. Quantum phase transitions are analyzed within a beyond ...
Ponencia
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Excited state quantum phase transitions and chaos in the Dicke model

Pérez Fernández, Pedro; Relaño, Armando; Cejnar, Pavel; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique (American Institute of Physics, 2012)
In this contribution, the critical behavior of excited state quantum phase transitions (ESQPT's) and its relation to order ...
Tesis Doctoral
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Estudio de transiciones de fase cuánticas en sistemas de dos niveles

Pérez Fernández, Pedro; Relaño, Armando; Arias Carrasco, José Miguel; Dukelsky, Jorge (2011)
El trabajo se estructura en 6 capítulos. El capítulo 1 posee fundamentalmente un carácter de introducción teórica a las ...
Artículo
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Excited-state phase transition and onset of chaos in quantum optical models

Pérez Fernández, Pedro; Relaño, Armando; Arias Carrasco, José Miguel; Cejnar, P.; Dukelsky, Jorge; García Ramos, José Enrique (American Physical Society, 2011)
We study the critical behavior of excited states and its relation to order and chaos in the Jaynes-Cummings and Dicke ...
Artículo
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Novel results from an algebraic approach to molecular bending dynamics

Pérez Bernal, Francisco; Álvarez Bajo, O.; Arias Carrasco, José Miguel; Carvajal, M.; García Ramos, José Enrique; Larese, Danielle; Pérez Fernández, Pedro (Institute of Physics Publishing, 2011)
We present a brief review of research topics of current interest that depend on an algebraic approach to molecular bending ...
Artículo
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Quantum quench influenced by an excited-state phase transition

Pérez Fernández, Pedro; Cejnar, P.; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique; Relaño, Armando (American Physical Society, 2011)
We analyze excited-state quantum phase transitions (ESQPTs) in three schematic (integrable and nonintegrable) models ...
Artículo
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Finite-size corrections in the bosonic algebraic approach to two-dimensional systems

Pérez Fernández, Pedro; Arias Carrasco, José Miguel; García Ramos, José Enrique; Pérez Bernal, Francisco (American Physical Society, 2011)
Analytical results beyond the mean-field-limit approximation for several observables of the two-dimensional limit of the ...
Ponencia
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Decoherence as a Signature of an Excited State Quantum Phase Transition in Two Level Boson Systems

García Ramos, José Enrique; Arias Carrasco, José Miguel; Dukelsky, Jorge; Pérez Fernández, Pedro; Relaño, Armando (American Institute of Physics, 2009)
We analyze the decoherence induced on a single qubit by the interaction with a two-level boson system with critical internal ...
Artículo
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Decoherence due to an excited-state quantum phase transition in a two-level boson model

Pérez Fernández, Pedro; Relaño, Armando; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique (American Physical Society, 2009)
The decoherence induced on a single qubit by its interaction with the environment is studied. The environment is modeled ...
Ponencia
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Connection between decoherence and excited state quantum phase transitions

Pérez Fernández, Pedro; Relaño, Armando; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique (American Institute of Physics, 2009)
In this work we explore the relationship between an excited state quantum phase transition (ESQPT) and the phenomenon of ...
Artículo
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Decoherence as a signature of an excited-state quantum phase transition

Relaño, Armando; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique; Pérez Fernández, Pedro (American Physical Society, 2008)
We analyze the decoherence induced on a single qubit by the interaction with a two-level boson system with critical internal ...