# From multifragmentation to supernovae and neutron stars

## Abstract

The thermodynamics properties of globally neutral dense stellar matter are analyzed both in terms of mean field instabilities and structures beyond the mean field. The mean field response to finite wavelength fluctuations is calculated with the realistic Sly230a effective interaction. A Monte Carlo simulation of a schematic lattice Hamiltonian shows the importance of calculations beyond the mean field to calculate the phase diagram of stellar matter. The analogies and differences respect to the thermodynamics of nuclear matter and finite nuclei are stressed.

- Authors:

- GANIL (DSM - CEA / IN2P3 - CNRS), B.P.5027, F-14076 Caen Cedex 5 (France)
- LPC Caen - IN2P3 - CNRS/EnsiCaen et Universite, F-14050 Caen Cedex (France)
- (France)

- Publication Date:

- OSTI Identifier:
- 21054835

- Resource Type:
- Journal Article

- Resource Relation:
- Journal Name: AIP Conference Proceedings; Journal Volume: 884; Journal Issue: 1; Conference: 6. Latin American symposium on nuclear physics and applications, Iguazu (Argentina), 3-7 Oct 2005; Other Information: DOI: 10.1063/1.2710599; (c) 2007 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)

- Country of Publication:
- United States

- Language:
- English

- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; COMPUTERIZED SIMULATION; FLUCTUATIONS; HAMILTONIANS; INSTABILITY; MEAN-FIELD THEORY; MONTE CARLO METHOD; NEUTRON STARS; NUCLEAR FRAGMENTATION; NUCLEAR MATTER; PHASE DIAGRAMS; S CODES; THERMODYNAMICS

### Citation Formats

```
Chomaz, Ph., Napolitani, P., Hasnaoui, K., Gulminelli, F., Ducoin, C., and LPC Caen - IN2P3 - CNRS / EnsiCaen et Universite, F-14050 Caen Cedex.
```*From multifragmentation to supernovae and neutron stars*. United States: N. p., 2007.
Web. doi:10.1063/1.2710599.

```
Chomaz, Ph., Napolitani, P., Hasnaoui, K., Gulminelli, F., Ducoin, C., & LPC Caen - IN2P3 - CNRS / EnsiCaen et Universite, F-14050 Caen Cedex.
```*From multifragmentation to supernovae and neutron stars*. United States. doi:10.1063/1.2710599.

```
Chomaz, Ph., Napolitani, P., Hasnaoui, K., Gulminelli, F., Ducoin, C., and LPC Caen - IN2P3 - CNRS / EnsiCaen et Universite, F-14050 Caen Cedex. Mon .
"From multifragmentation to supernovae and neutron stars". United States.
doi:10.1063/1.2710599.
```

```
@article{osti_21054835,
```

title = {From multifragmentation to supernovae and neutron stars},

author = {Chomaz, Ph. and Napolitani, P. and Hasnaoui, K. and Gulminelli, F. and Ducoin, C. and LPC Caen - IN2P3 - CNRS / EnsiCaen et Universite, F-14050 Caen Cedex},

abstractNote = {The thermodynamics properties of globally neutral dense stellar matter are analyzed both in terms of mean field instabilities and structures beyond the mean field. The mean field response to finite wavelength fluctuations is calculated with the realistic Sly230a effective interaction. A Monte Carlo simulation of a schematic lattice Hamiltonian shows the importance of calculations beyond the mean field to calculate the phase diagram of stellar matter. The analogies and differences respect to the thermodynamics of nuclear matter and finite nuclei are stressed.},

doi = {10.1063/1.2710599},

journal = {AIP Conference Proceedings},

number = 1,

volume = 884,

place = {United States},

year = {Mon Feb 12 00:00:00 EST 2007},

month = {Mon Feb 12 00:00:00 EST 2007}

}

DOI: 10.1063/1.2710599

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