Barriers and metastable states as saddle points in the replica approach

1993 ◽  
Vol 3 (8) ◽  
pp. 1819-1838 ◽  
Author(s):  
J. Kurchan ◽  
G. Parisi ◽  
M. A. Virasoro
Keyword(s):  
Saddle Points ◽  
Metastable States ◽  
Replica Approach

scholarly journals Saddle points stability in the replica approach off equilibrium

1994 ◽  
Vol 4 (12) ◽  
pp. 1819-1827 ◽  
Author(s):  
M. E. Ferrero ◽  
M. A. Virasoro
Keyword(s):  
Saddle Points ◽  
Replica Approach

LASER-INDUCED METASTABLE STATES IN AMORPHOUS SEMICONDUCTORS

1981 ◽  
Vol 42 (C4) ◽  
pp. C4-395-C4-398 ◽  
Author(s):  
M. Wautelet ◽  
R. Andrew ◽  
M. Failly-Lovato ◽  
L. D. Laude
Keyword(s):  
Amorphous Semiconductors ◽  
Metastable States

Gas-Phase Clustering of NO+ with H2S and H2O

2007 ◽  
Vol 72 (8) ◽  
pp. 1122-1138 ◽  
Author(s):  
Milan Uhlár ◽  
Ivan Černušák
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Gas Phase ◽  
Saddle Points ◽  
Solvent Molecule ◽  
Local Minima ◽  
Additional Water ◽  
Three Body ◽  
Rain Formation ◽  
Stable Structures

The complex NO+·H2S, which is assumed to be an intermediate in acid rain formation, exhibits thermodynamic stability of ∆Hº300 = -76 kJ mol-1, or ∆Gº300 = -47 kJ mol-1. Its further transformation via H-transfer is associated with rather high barriers. One of the conceivable routes to lower the energy of the transition state is the action of additional solvent molecule(s) that can mediate proton transfer. We have studied several NO+·H2S structures with one or two additional water molecule(s) and have found stable structures (local minima), intermediates and saddle points for the three-body NO+·H2S·H2O and four-body NO+·H2S·(H2O)2 clusters. The hydrogen bonds network in the four-body cluster plays a crucial role in its conversion to thionitrous acid.

Time keeping and searching for new physics using metastable states of Cu, Ag, and Au

2021 ◽  
Vol 103 (2) ◽  
Author(s):  
V. A. Dzuba ◽  
Saleh O. Allehabi ◽  
V. V. Flambaum ◽  
Jiguang Li ◽  
S. Schiller
Keyword(s):  
New Physics ◽  
Metastable States
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