scholarly journals Vibrational instability, two-level systems, and the boson peak in glasses

2007 ◽  
Vol 76 (6) ◽  
Author(s):  
D. A. Parshin ◽  
H. R. Schober ◽  
V. L. Gurevich
Keyword(s):  
Boson Peak ◽  
Two Level Systems ◽  
Vibrational Instability

scholarly journals Two-Level Systems and Boson Peak Remain Stable in 110-Million-Year-Old Amber Glass

2014 ◽  
Vol 112 (16) ◽  
Author(s):  
Tomás Pérez-Castañeda ◽  
Rafael J. Jiménez-Riobóo ◽  
Miguel A. Ramos
Keyword(s):  
Boson Peak ◽  
Two Level Systems

scholarly journals Anharmonicity, vibrational instability, and the Boson peak in glasses

2003 ◽  
Vol 67 (9) ◽  
Author(s):  
V. L. Gurevich ◽  
D. A. Parshin ◽  
H. R. Schober
Keyword(s):  
Boson Peak ◽  
Vibrational Instability

Optical activity of the boson peak and two-level systems in silica-germania glasses

2003 ◽  
Vol 67 (14) ◽  
Author(s):  
B. E. Hubbard ◽  
J. J. Tu ◽  
N. I. Agladze ◽  
A. J. Sievers
Keyword(s):  
Optical Activity ◽  
Boson Peak ◽  
Two Level Systems

DIELECTRIC EVIDENCE FOR EXISTENCE OF TWO-LEVEL-SYSTEMS IN CYCLOHEXANOL, A " GLASSY CRYSTAL " SYSTEM

1982 ◽  
Vol 43 (C9) ◽  
pp. C9-525-C9-527
Author(s):  
G. P. Singh ◽  
R. Vacher ◽  
R. Calemczuk
Keyword(s):  
Crystal System ◽  
Two Level Systems

Low-temperature thermal conductivity and boson peak in the glassy g-As2S3

2016 ◽  
Vol 39 (0) ◽  
pp. 66-72
Author(s):  
В. Міца ◽  
О. Фегер ◽  
С. Петрецький ◽  
Р. Голомб ◽  
В. Ткач
Keyword(s):  
Thermal Conductivity ◽  
Low Temperature ◽  
Boson Peak

Estimate of the conversion time in macroscopic two-level systems

1983 ◽  
Vol 56 (3) ◽  
pp. 897-903 ◽  
Author(s):  
E. K. Bashkirov ◽  
N. N. Bogolyubov ◽  
A. S. Shumovskii
Keyword(s):  
Two Level Systems ◽  
Conversion Time

Density matrix and purity evolution in dissipative two-level systems: II. Relaxation

2021 ◽  
Author(s):  
Sambarta Chatterjee ◽  
Nancy Makri
Keyword(s):  
Density Matrix ◽  
Time Evolution ◽  
Reduced Density Matrix ◽  
Level System ◽  
Two Level Systems ◽  
Reduced Density ◽  
Harmonic Bath

We investigate the time evolution of the reduced density matrix (RDM) and its purity in the dynamics of a two-level system coupled to a dissipative harmonic bath, when the system is initially placed in one of its eigenstates.

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