scholarly journals Geometric optics-based multiband cloaking of large objects with the wave phase and amplitude preservation

2014 ◽  
Vol 22 (22) ◽  
pp. 27193 ◽  
Author(s):  
Ran Duan ◽  
Elena Semouchkina ◽  
Ravi Pandey
Keyword(s):  
Geometric Optics ◽  
Wave Phase ◽  
Amplitude Preservation

Galvanomagnetic properties in the spin-density-wave phase of (TMTSF)2PF6

1999 ◽  
Vol 09 (PR10) ◽  
pp. Pr10-247-Pr10-249 ◽  
Author(s):  
B. Korin-Hamzic ◽  
M. Basletić ◽  
N. Francetić ◽  
A. Hamzić ◽  
K. Bechgaard
Keyword(s):  
Spin Density ◽  
Density Wave ◽  
Spin Density Wave ◽  
Wave Phase ◽  
Galvanomagnetic Properties

scholarly journals Ultrafast spot-profile LEED of a charge-density wave phase transition

2021 ◽  
Vol 118 (22) ◽  
pp. 221603
Author(s):  
G. Storeck ◽  
K. Rossnagel ◽  
C. Ropers
Keyword(s):  
Phase Transition ◽  
Charge Density ◽  
Charge Density Wave ◽  
Density Wave ◽  
Wave Phase ◽  
Charge Density Wave Phase ◽  
A Charge

Layer Number Dependence of Charge Density Wave Phase Transition Between Nearly-Commensurate and Incommensurate Phases in 1T-TaS2

2020 ◽  
Vol 124 (49) ◽  
pp. 27176-27184
Author(s):  
Yasushi Ishiguro ◽  
Kirill Bogdanov ◽  
Naoko Kodama ◽  
Mizuki Ogiba ◽  
Tatsuya Ohno ◽  
...  
Keyword(s):  
Phase Transition ◽  
Charge Density ◽  
Charge Density Wave ◽  
Density Wave ◽  
Layer Number ◽  
Wave Phase ◽  
Charge Density Wave Phase ◽  
Incommensurate Phases

scholarly journals Light shaping from a physical-optics point of view

2020 ◽  
Vol 238 ◽  
pp. 02006
Author(s):  
Liangxin Yang ◽  
Irfan Badar ◽  
Christian Hellmann ◽  
Frank Wyrowski
Keyword(s):  
Fourier Transform ◽  
Optical Element ◽  
Initial Guess ◽  
Point Of View ◽  
Physical Optics ◽  
Diffraction Effect ◽  
Geometric Optics ◽  
Design Task ◽  
Tracing Techniques

In the design of optical element for light shaping, a geometric-optics assumption is usually used, where the validity of the assumption is rarely discussed in literature. In this work, the field tracing techniques for modeling light-shaping systems are presented, which reveals the optical element resulted from those geometric-base algorithm is not always accurate enough for the design task. An example is demonstrated with the functional embodiment of the element. The simulation result shows that diffraction effect may occur, especially in paraxial situation. However, the designed result start with the assumption is well-introduced initial guess for further optimization with the iterative Fourier transform algorithm (IFTA).

scholarly journals Kerr-spacetime geometric optics for vortex beams

2021 ◽  
Vol 104 (1) ◽  
Author(s):  
Fabrizio Tamburini ◽  
Fabiano Feleppa ◽  
Ignazio Licata ◽  
Bo Thidé
Keyword(s):  
Geometric Optics ◽  
Kerr Spacetime ◽  
Vortex Beams

scholarly journals Magnetic-field effects on p-wave phase transition in Gauss–Bonnet gravity

2014 ◽  
Vol 29 (20) ◽  
pp. 1450094 ◽  
Author(s):  
Ya-Bo Wu ◽  
Jun-Wang Lu ◽  
Yong-Yi Jin ◽  
Jian-Bo Lu ◽  
Xue Zhang ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Phase Transition ◽  
P Wave ◽  
Vector Model ◽  
Magnetic Field Effects ◽  
Complex Vector ◽  
Bonnet Gravity ◽  
Yang Mills ◽  
Wave Phase ◽  
Lowest Landau Level

In the probe limit, we study the holographic p-wave phase transition in the Gauss–Bonnet gravity via numerical and analytical methods. Concretely, we study the influences of the external magnetic field on the Maxwell complex vector model in the five-dimensional Gauss–Bonnet–AdS black hole and soliton backgrounds, respectively. For the two backgrounds, the results show that the magnetic field enhances the superconductor phase transition in the case of the lowest Landau level, while the increasing Gauss–Bonnet parameter always hinders the vector condensate. Moreover, the Maxwell complex vector model is a generalization of the SU(2) Yang–Mills model all the time. In addition, the analytical results backup the numerical results. Furthermore, this model might provide a holographic realization for the QCD vacuum instability.

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