scholarly journals Spacetime foam induced collective bundling of intense fields

2016 ◽  
Vol 94 (6) ◽  
Author(s):  
Teodora Oniga ◽  
Charles H.-T. Wang
Keyword(s):  
Intense Fields ◽  
Spacetime Foam

Phase diagram of the random-field Ising system Fe0.60Zn0.40F2 at intense fields

1998 ◽  
Vol 177-181 ◽  
pp. 145-146 ◽  
Author(s):  
F.C. Montenegro ◽  
K.A. Lima ◽  
M.S. Torikachvili ◽  
A.H. Lacerda
Keyword(s):  
Phase Diagram ◽  
Random Field ◽  
Ising System ◽  
Intense Fields

scholarly journals INTERFACE OF GRAVITATIONAL AND QUANTUM REALMS

2002 ◽  
Vol 17 (15n17) ◽  
pp. 1135-1145 ◽  
Author(s):  
D. V. AHLUWALIA
Keyword(s):  
Quantum Gravity ◽  
Quantum Interference ◽  
Physical Reality ◽  
Superconducting Quantum Interference Devices ◽  
Superconducting Quantum Interference ◽  
Quantum Gravity Phenomenology ◽  
Wave Particle Duality ◽  
General Relativistic ◽  
Relativistic Description ◽  
Spacetime Foam

The talk centers around the question: Can general-relativistic description of physical reality be considered complete? On the way I argue how – unknown to many a physicists, even today – the "forty orders of magnitude argument" against quantum gravity phenomenology was defeated more than a quarter of a century ago, and how we now stand at the possible verge of detecting a signal for the spacetime foam, and studying the gravitationally-modified wave particle duality using superconducting quantum interference devices.

How coherently do nuclei react to intense fields?

1991 ◽  
Vol 43 (3) ◽  
pp. R939-R941 ◽  
Author(s):  
F. S. Navarra ◽  
M. C. Nemes
Keyword(s):  
Intense Fields

scholarly journals Unusual Response of Thin LiTaO3 Films to Intense Microwave Pulses

Materials ◽  
2019 ◽  
Vol 12 (21) ◽  
pp. 3588
Author(s):  
Haojia Chen ◽  
Qiong Gao ◽  
Baoliang Qian ◽  
Lishan Zhao
Keyword(s):  
Nonlinear Behaviour ◽  
Small Signal ◽  
Large Signal ◽  
Signal Model ◽  
Small Signal Model ◽  
Wide Range ◽  
Microwave Pulses ◽  
Intense Fields ◽  
Voltage Signal ◽  
Wave Sensors

Fundamentally different responses of a LiTaO 3 thin film detector are observed when it is subjected to short microwave pulses as the pulse intensity is altered over a wide range. We start from weak microwave pulses which lead to only trivial pyroelectric peak response. However, when the microwave pulses become intense, the normally expected pyroelectric signal seems to be suppressed and the sign of the voltage signal can even be completely changed. Analysis indicates that while the traditional pyroelectric model, which is a linear model and works fine for our data in the small regime, it does not work anymore in the large signal regime. Since the small-signal model is the key foundation of electromagnetic-wave sensors based on pyroelectric effects, such as pyroelectric infrared detecters, the observation in this work suggests that one should be cautious when using these devices in intense fields. In addition, the evolution of detector signal with respect to excitation strength suggests that the main polarisation process is changed in the large signal regime. This is of fundamental importance to the understanding on how crystalline solids interact with intense microwaves. Possible causes of the nonlinear behaviour is discussed.

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