Abstract
In this paper, we consider the Nα cluster state as Bose-Einstein condensation and calculate the energy level for Nα nuclei from 12C-52Fe. We take the phenomenological model, and use the quantum field theoretical approach for finite system with spontaneous symmetry breaking. In our approach, the order parameter that is the density amplitude of Bose-Einstein condensation is introduced as the vacuum expectation value of the field operator. We non-perturbatively treat the zero mode operators, which accompany the spontaneous symmetry breaking and the order parameter, because their quantum fluctuations are large for finite system. Then the Hamiltonian for the zero mode operators gives a new type of energy levels with 0+ for Nα nuclei, which turn out to be robust for condensation rate and number of α clusters.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 4th International Workshop on State of the Art in Nuclear Cluster Physics, SOTANCP 2018 |
| Editors | Charles M. Folden, Vladilen Z. Goldberg, Grigory V. Rogachev, Marina Barbui |
| Publisher | American Institute of Physics Inc. |
| Volume | 2038 |
| ISBN (Electronic) | 9780735417649 |
| DOIs | |
| Publication status | Published - 2018 Nov 13 |
| Event | 4th International Workshop on State of the Art in Nuclear Cluster Physics, SOTANCP 2018 - Galveston, United States Duration: 2018 May 13 → 2018 May 18 |
Other
| Other | 4th International Workshop on State of the Art in Nuclear Cluster Physics, SOTANCP 2018 |
|---|---|
| Country | United States |
| City | Galveston |
| Period | 18/5/13 → 18/5/18 |
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ASJC Scopus subject areas
- Physics and Astronomy(all)
Cite this
New description to soft modes in N-alpha cluster states as Bose-Einstein condensation based on quantum field theory with zero mode excitation. / Takahashi, Junichi; Katsuragi, R.; Kazama, Y.; Nakamura, Y.; Yamanaka, Yoshiya; Ohkubo, S.
Proceedings of the 4th International Workshop on State of the Art in Nuclear Cluster Physics, SOTANCP 2018. ed. / Charles M. Folden; Vladilen Z. Goldberg; Grigory V. Rogachev; Marina Barbui. Vol. 2038 American Institute of Physics Inc., 2018. 020024.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - New description to soft modes in N-alpha cluster states as Bose-Einstein condensation based on quantum field theory with zero mode excitation
AU - Takahashi, Junichi
AU - Katsuragi, R.
AU - Kazama, Y.
AU - Nakamura, Y.
AU - Yamanaka, Yoshiya
AU - Ohkubo, S.
PY - 2018/11/13
Y1 - 2018/11/13
N2 - In this paper, we consider the Nα cluster state as Bose-Einstein condensation and calculate the energy level for Nα nuclei from 12C-52Fe. We take the phenomenological model, and use the quantum field theoretical approach for finite system with spontaneous symmetry breaking. In our approach, the order parameter that is the density amplitude of Bose-Einstein condensation is introduced as the vacuum expectation value of the field operator. We non-perturbatively treat the zero mode operators, which accompany the spontaneous symmetry breaking and the order parameter, because their quantum fluctuations are large for finite system. Then the Hamiltonian for the zero mode operators gives a new type of energy levels with 0+ for Nα nuclei, which turn out to be robust for condensation rate and number of α clusters.
AB - In this paper, we consider the Nα cluster state as Bose-Einstein condensation and calculate the energy level for Nα nuclei from 12C-52Fe. We take the phenomenological model, and use the quantum field theoretical approach for finite system with spontaneous symmetry breaking. In our approach, the order parameter that is the density amplitude of Bose-Einstein condensation is introduced as the vacuum expectation value of the field operator. We non-perturbatively treat the zero mode operators, which accompany the spontaneous symmetry breaking and the order parameter, because their quantum fluctuations are large for finite system. Then the Hamiltonian for the zero mode operators gives a new type of energy levels with 0+ for Nα nuclei, which turn out to be robust for condensation rate and number of α clusters.
UR - http://www.scopus.com/inward/record.url?scp=85057244942&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85057244942&partnerID=8YFLogxK
U2 - 10.1063/1.5078843
DO - 10.1063/1.5078843
M3 - Conference contribution
VL - 2038
BT - Proceedings of the 4th International Workshop on State of the Art in Nuclear Cluster Physics, SOTANCP 2018
A2 - Folden, Charles M.
A2 - Goldberg, Vladilen Z.
A2 - Rogachev, Grigory V.
A2 - Barbui, Marina
PB - American Institute of Physics Inc.
ER -