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| Content Provider | Springer Nature Link |
|---|---|
| Author | Karimi, Amir Tavassoly, Mohammad Kazem |
| Copyright Year | 2015 |
| Abstract | In this paper, at first we produce the single-mode nonlinear excited entangled SU(1,1) and SU(2) coherent states via the iterated actions of the f-deformed creation operator A $^{‡}$ = f(n)a $^{‡}$ on the first mode of a particular class of entangled states which components correspond to respectively SU(1,1) and SU(2) coherent states. In the continuation, we study the amount of quantum entanglement and quantum polarization of the produced states for different number of photon excitations m and compare the results. We show that similar behaviours for entanglement properties are appeared for the introduced entangled SU(1,1) and SU(2) states. Also, the existence of a parameter by which one can obtain the maximum possible values of linear entropy for lower intensities is established. It is established that the increasing rate of concurrence (as well as the linear entropy) and so entanglement grows up by increasing the number of photon excitation. Meanwhile, the polarization variation is different for the SU(1,1) and SU(2) coherent states for the fixed excitation numbers. Finally, we present a simple scheme for the physical generation of the introduced states. |
| Starting Page | 563 |
| Ending Page | 576 |
| Page Count | 14 |
| File Format | |
| ISSN | 00207748 |
| Journal | International Journal of Theoretical Physics |
| Volume Number | 55 |
| Issue Number | 1 |
| e-ISSN | 15729575 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2015-05-29 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Quantum entanglement Quantum polarization Excited entangled states SU(1,1) and SU(2) coherent states Physics Quantum Physics Elementary Particles, Quantum Field Theory Theoretical, Mathematical and Computational Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy Mathematics |
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