| Issue |
EPL
Volume 87, Number 6, September 2009
|
|
|---|---|---|
| Article Number | 61001 | |
| Number of page(s) | 6 | |
| Section | The Physics of Elementary Particles and Fields | |
| DOI | https://doi.org/10.1209/0295-5075/87/61001 | |
| Published online | 01 October 2009 | |
Some peculiarities in response to filling up the Fermi sphere with quarks
1
Joint Institute for Nuclear Research - 141980 Dubna, Moscow Region, Russia
2
Institute of Theoretical and Experimental Physics - 117259, Moscow, Russia
3
Bogolyubov Institute for Theoretical Physics, National Academy of Sciences of Ukraine UA-03680, Kiev-143, Ukraine
Corresponding author: Gennady.Zinovjev@cern.ch
Received:
8
May
2009
Accepted:
4
September
2009
Considering quarks as the quasi-particles of the model Hamiltonian with four-fermion interaction we study response to the process of filling up the Fermi sphere with quarks, calculate the vacuum pressure and demonstrate the existence of filled-in state degenerate with the vacuum one.
PACS: 11.10.-z – Field theory / 11.15.Tk – Other nonperturbative techniques
© EPLA, 2009
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