tunnelling time
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2021 ◽  
Vol 11 (1) ◽  
Author(s):  
D. Sokolovski ◽  
E. Akhmatskaya

AbstractA controversy surrounding the “tunnelling time problem” stems from the seeming inability of quantum mechanics to provide, in the usual way, a definition of the duration a particle is supposed to spend in a given region of space. For this reason, the problem is often approached from an “operational” angle. Typically, one tries to mimic, in a quantum case, an experiment which yields the desired result for a classical particle. One such approach is based on the use of a Larmor clock. We show that the difficulty with applying a non-perturbing Larmor clock in order to “time” a classically forbidden transition arises from the quantum Uncertainty Principle. We also demonstrate that for this reason a Larmor time (in fact, any Larmor time) cannot be interpreted as a physical time interval. We provide a theoretical description of the quantities measured by the clock.



2020 ◽  
Vol 2 (4) ◽  
pp. 042002
Author(s):  
U Satya Sainadh ◽  
R T Sang ◽  
I V Litvinyuk


2020 ◽  
Vol 1412 ◽  
pp. 042001
Author(s):  
A.W. Bray
Keyword(s):  


2019 ◽  
Vol 13 (7) ◽  
pp. 439-440 ◽  
Author(s):  
Jan M. Rost ◽  
Ulf Saalmann
Keyword(s):  


Nature ◽  
2019 ◽  
Vol 569 (7756) ◽  
pp. E5-E5
Author(s):  
U. Satya Sainadh ◽  
Han Xu ◽  
Xiaoshan Wang ◽  
A. Atia-Tul-Noor ◽  
William C. Wallace ◽  
...  


2019 ◽  
Vol 66 (10) ◽  
pp. 1052-1070 ◽  
Author(s):  
C. Hofmann ◽  
A. S. Landsman ◽  
U. Keller


Nature ◽  
2019 ◽  
Vol 568 (7750) ◽  
pp. 75-77 ◽  
Author(s):  
U. Satya Sainadh ◽  
Han Xu ◽  
Xiaoshan Wang ◽  
A. Atia-Tul-Noor ◽  
William C. Wallace ◽  
...  


2018 ◽  
Vol 73 (10) ◽  
pp. 919-921
Author(s):  
Guenter Nimtz ◽  
Paul Bruney

AbstractTunnelling and barrier interaction times of neutrons were previously measured. Here we show that the neutron interaction time with barriers corresponds to the universal tunnelling time of wave mechanics which was formerly observed with elastic, electromagnetic and electron waves. The universal tunnelling time seems to hold for neutrons also. Such an adequate general wave mechanical behaviour was conjectured by Brillouin. Remarkably, wave mechanical effects, and even virtual particles, hold from the microcosm to the macrocosm.



2015 ◽  
Vol 547 ◽  
pp. 1-24 ◽  
Author(s):  
Alexandra S. Landsman ◽  
Ursula Keller


2014 ◽  
Vol 47 (20) ◽  
pp. 204024 ◽  
Author(s):  
Alexandra S Landsman ◽  
Ursula Keller
Keyword(s):  


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