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Abstract:

We present an analytical and numerical analysis of the particle creation in a cavity ended with two superconducting quantum interference devices, both subjected to time-dependent magnetic fields. In the linear and lossless regime, the problem can be modeled by a free quantum field in 1+1 dimensions, in the presence of boundary conditions that involve a time-dependent linear combination of the field and its spatial and time derivatives. We consider a situation in which the boundary conditions at both ends are periodic functions of time, focusing on interesting features as the dependence of the rate of particle creation with the characteristics of the spectrum of the cavity, the conditions needed for parametric resonance, and interference phenomena due to simultaneous time dependence of the boundary conditions. We point out several concrete effects that could be tested experimentally. © 2018 American Physical Society.

Registro:

Documento: Artículo
Título:Dynamical Casimir effect in a double tunable superconducting circuit
Autor:Lombardo, F.C.; Mazzitelli, F.D.; Soba, A.; Villar, P.I.
Filiación:Departamento de Física Juan José Giambiagi, FCEyN UBA and IFIBA CONICET-UBA, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pabellón I, Buenos Aires, 1428, Argentina
Centro Atómico Bariloche and Instituto Balseiro, Comisión Nacional de Energía Atómica, Bariloche, R8402AGP, Argentina
Centro Atómico Constituyentes, Comisión Nacional de Energía Atómica, Avenida General Paz 1499, San-Martín, Argentina
Palabras clave:Boundary conditions; Quantum interference devices; SQUIDs; Timing circuits; Dynamical Casimir effect; Interference phenomena; Linear combinations; Parametric resonance; Particle creation; Periodic function; Superconducting circuit; Time-dependent magnetic field; Superconducting devices
Año:2018
Volumen:98
Número:2
DOI: http://dx.doi.org/10.1103/PhysRevA.98.022512
Título revista:Physical Review A
Título revista abreviado:Phys. Rev. A
ISSN:24699926
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_24699926_v98_n2_p_Lombardo

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Citas:

---------- APA ----------
Lombardo, F.C., Mazzitelli, F.D., Soba, A. & Villar, P.I. (2018) . Dynamical Casimir effect in a double tunable superconducting circuit. Physical Review A, 98(2).
http://dx.doi.org/10.1103/PhysRevA.98.022512
---------- CHICAGO ----------
Lombardo, F.C., Mazzitelli, F.D., Soba, A., Villar, P.I. "Dynamical Casimir effect in a double tunable superconducting circuit" . Physical Review A 98, no. 2 (2018).
http://dx.doi.org/10.1103/PhysRevA.98.022512
---------- MLA ----------
Lombardo, F.C., Mazzitelli, F.D., Soba, A., Villar, P.I. "Dynamical Casimir effect in a double tunable superconducting circuit" . Physical Review A, vol. 98, no. 2, 2018.
http://dx.doi.org/10.1103/PhysRevA.98.022512
---------- VANCOUVER ----------
Lombardo, F.C., Mazzitelli, F.D., Soba, A., Villar, P.I. Dynamical Casimir effect in a double tunable superconducting circuit. Phys. Rev. A. 2018;98(2).
http://dx.doi.org/10.1103/PhysRevA.98.022512