Photon radiation in final state parton showering

1992 ◽  
Vol 56 (1) ◽  
pp. 161-170 ◽  
Author(s):  
Michael H. Seymour
Keyword(s):  
Photon Radiation ◽  
Final State ◽  
Parton Showering

SOFT PHOTON RADIATION IN $e^+ e^- \to t\bar t\to b\bar bW^+ W^-$

1993 ◽  
Vol 08 (13) ◽  
pp. 1191-1204 ◽  
Author(s):  
G. F. ABU LEIL
Keyword(s):  
Radiation Pattern ◽  
Relative Orientation ◽  
Initial State Radiation ◽  
Soft Photon ◽  
Photon Radiation ◽  
Optimum Conditions ◽  
Initial State ◽  
Final State ◽  
State Radiation ◽  
Top Mass

We present a detailed analysis of soft photon radiation in [Formula: see text]. The radiation pattern is shown to depend sensitively on the top mass, width and energy, as well as the relative orientation of the initial and final state particles. Optimum conditions in which initial state radiation is minimized and the radiation pattern has the richest structure are discussed.

Nanoscale Servo Control for Galvano Scanner Using Final-State Control

2009 ◽  
Vol 129 (9) ◽  
pp. 938-944 ◽  
Author(s):  
Mitsuo Hirata ◽  
Takahiro Kidokoro ◽  
Shinji Ueda
Keyword(s):  
Servo Control ◽  
State Control ◽  
Final State

Polariton Devices

2017 ◽  
Author(s):  
Alexey V. Kavokin ◽  
Jeremy J. Baumberg ◽  
Guillaume Malpuech ◽  
Fabrice P. Laussy
Keyword(s):  
Semiconductor Devices ◽  
Logic Gates ◽  
Light Sources ◽  
Coherent Light ◽  
Final State ◽  
Spintronic Devices ◽  
Exciton Polaritons ◽  
Terahertz Lasers ◽  
Coherence Lengths ◽  
Stimulation Of

Polariton devices offer multiple advantages compared to conventional semiconductor devices. The bosonic nature of exciton polaritons offers opportunity of realisation of polariton lasers: coherent light sources based on bosonic condensates of polaritons. The final state stimulation of any transition feeding a polariton condensate has been used in many proposals such as for terahertz lasers based on polariton lasers. Furthermore, large coherence lengths of exciton-polaritons in microcavities open the way to realisation of polariton transport devices including transistors and logic gates. Being bosonic spin carriers, exciton-polaritons may be used in spintronic devices and polarisation switches. This chapter offers an overview on the existing proposals for polariton devices.

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