scholarly journals Pulse generation with ultra-superluminal pulse propagation in semiconductor heterostructures by superradiant-phase transition enhanced by transient coherent population gratings

2016 ◽  
Vol 5 (6) ◽  
pp. e16086-e16086 ◽  
Author(s):  
Peter P Vasil'ev ◽  
Richard V Penty ◽  
Ian H White
Keyword(s):  
Phase Transition ◽  
Pulse Propagation ◽  
Pulse Generation ◽  
Semiconductor Heterostructures ◽  
Superradiant Phase

On biological signaling

2020 ◽  
Vol 75 (6) ◽  
pp. 507-509 ◽  
Author(s):  
Günter Nimtz ◽  
Horst Aichmann
Keyword(s):  
Phase Transition ◽  
Alternative Model ◽  
Pulse Propagation ◽  
Membrane Surface ◽  
Bound Water ◽  
Theoretical Description ◽  
Lyotropic Liquid Crystal ◽  
Local Phase ◽  
Electric Action ◽  
Nerve Pulse

AbstractPresently, nerve pulse propagation is understood to take place by electric action pulses. The theoretical description is given by the Hodgkin-Huxley model. Recently, an alternative model was proclaimed, where signaling is carried out by acoustic solitons. The solitons are built by a local phase transition in the lyotropic liquid crystal (LLC) of a biologic membrane. We argue that the crystal structure arranging hydrogen bonds at the membrane surface do not allow such an acoustic soliton model. The bound water is a component of the LLC and the assumed phase transition represents a negative entropy step.

Temperature quantum sensor on superradiant phase-transition

2020 ◽  
Vol 579 ◽  
pp. 411879 ◽  
Author(s):  
A.Y. Bazhenov ◽  
D.V. Tsarev ◽  
A.P. Alodjants
Keyword(s):  
Phase Transition ◽  
Superradiant Phase

Higher order corrections to the Dicke superradiant phase transition

1973 ◽  
Vol 46 (1) ◽  
pp. 47-48 ◽  
Author(s):  
H.J. Carmichael ◽  
C.W. Gardiner ◽  
D.F. Walls
Keyword(s):  
Phase Transition ◽  
Higher Order ◽  
Higher Order Corrections ◽  
Superradiant Phase
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