scholarly journals Equilibrium phase-space distributions and space charge limits in linacs

1977 ◽  
Author(s):  
W.P. Lysenko
Keyword(s):  
Phase Space ◽  
Space Charge ◽  
Equilibrium Phase

Phase Space Tomography: A Simple, Portable and Accurate Technique to Map Phase Spaces of Beams with Space Charge

2006 ◽  
Author(s):  
D. Stratakis ◽  
R. A. Kishek ◽  
H. Li ◽  
S. Bernal ◽  
M. Walter ◽  
...  
Keyword(s):  
Phase Space ◽  
Space Charge

scholarly journals Phase-space methods for simulating the dissipative many-body dynamics of collective spin systems

2021 ◽  
Vol 10 (2) ◽  
Author(s):  
Julian Huber ◽  
Peter Kirton ◽  
Peter Rabl
Keyword(s):  
Phase Space ◽  
Numerical Technique ◽  
Equilibrium Phase ◽  
Lattice Models ◽  
Spin Systems ◽  
Space Distribution ◽  
Many Body ◽  
Spin Lattice ◽  
Spin Quantum ◽  
Phase Space Methods

We describe an efficient numerical method for simulating the dynamics and steady states of collective spin systems in the presence of dephasing and decay. The method is based on the Schwinger boson representation of spin operators and uses an extension of the truncated Wigner approximation to map the exact open system dynamics onto stochastic differential equations for the corresponding phase space distribution. This approach is most effective in the limit of very large spin quantum numbers, where exact numerical simulations and other approximation methods are no longer applicable. We benchmark this numerical technique for known superradiant decay and spin-squeezing processes and illustrate its application for the simulation of non-equilibrium phase transitions in dissipative spin lattice models.

Experimental verification of tomographic phase-space imaging for beams with space-charge using a pinhole-scan

2010 ◽  
Vol 107 (10) ◽  
pp. 104905 ◽  
Author(s):  
D. Stratakis ◽  
R. A. Kishek ◽  
I. Haber ◽  
R. B. Fiorito ◽  
M. Reiser ◽  
...  
Keyword(s):  
Phase Space ◽  
Space Charge ◽  
Experimental Verification ◽  
Pinhole Scan
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