# Proceedings of RIKEN BNL Research Center Workshop: P- and CP-odd Effects in Hot and Dense Matter

## Abstract

This volume contains the proceedings of the RBRC/CATHIE workshop on 'P- and CP-odd Effects in Hot and Dense Matter' held at the RIKEN-BNL Research Center on April 26-30, 2010. The workshop was triggered by the experimental observation of charge correlations in heavy ion collisions at RHIC, which were predicted to occur due to local parity violation (P- and CP-odd fluctuations) in hot and dense QCD matter. This experimental result excited a significant interest in the broad physics community, inspired a few alternative interpretations, and emphasized the need for a deeper understanding of the role of topology in QCD vacuum and in hot and dense quark-gluon matter. Topological effects in QCD are also closely related to a number of intriguing problems in condensed matter physics, cosmology and astrophysics. We therefore felt that a broad cross-disciplinary discussion of topological P- and CP-odd effects in various kinds of matter was urgently needed. Such a discussion became the subject of the workshop. Specific topics discussed at the workshop include the following: (1) The current experimental results on charge asymmetries at RHIC and the physical interpretations of the data; (2) Quantitative characterization of topological effects in QCD matter including both analytical (perturbative and non-perturbative usingmore »

- Authors:

- Publication Date:

- Research Org.:
- Brookhaven National Laboratory (BNL) Riken Research Facility

- Sponsoring Org.:
- DOE - Office Of Science

- OSTI Identifier:
- 1001314

- Report Number(s):
- BNL-94237-2010

KD0201; TRN: US1100446

- DOE Contract Number:
- DE-AC02-98CH10886

- Resource Type:
- Technical Report

- Resource Relation:
- Related Information: P- and CP-odd Effects in Hot and Dense Matter; Physics Dept., Brookhaven National Laboratory, Upton, NY 11973; 20100426 through 20100430

- Country of Publication:
- United States

- Language:
- English

- Subject:
- 79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 74 ATOMIC AND MOLECULAR PHYSICS; ASTROPHYSICS; BNL; COSMOLOGY; DUALITY; FLUCTUATIONS; HEAVY IONS; PARITY; PHYSICS; QUANTUM CHROMODYNAMICS; TOPOLOGY; UNIVERSE; riken bnl research center

### Citation Formats

```
Deshpande, A, Fukushima, K, Kharzeev, D, Warringa, H, and Voloshin, S.
```*Proceedings of RIKEN BNL Research Center Workshop: P- and CP-odd Effects in Hot and Dense Matter*. United States: N. p., 2010.
Web. doi:10.2172/1001314.

```
Deshpande, A, Fukushima, K, Kharzeev, D, Warringa, H, & Voloshin, S.
```*Proceedings of RIKEN BNL Research Center Workshop: P- and CP-odd Effects in Hot and Dense Matter*. United States. https://doi.org/10.2172/1001314

```
Deshpande, A, Fukushima, K, Kharzeev, D, Warringa, H, and Voloshin, S. Mon .
"Proceedings of RIKEN BNL Research Center Workshop: P- and CP-odd Effects in Hot and Dense Matter". United States. https://doi.org/10.2172/1001314. https://www.osti.gov/servlets/purl/1001314.
```

```
@article{osti_1001314,
```

title = {Proceedings of RIKEN BNL Research Center Workshop: P- and CP-odd Effects in Hot and Dense Matter},

author = {Deshpande, A and Fukushima, K and Kharzeev, D and Warringa, H and Voloshin, S},

abstractNote = {This volume contains the proceedings of the RBRC/CATHIE workshop on 'P- and CP-odd Effects in Hot and Dense Matter' held at the RIKEN-BNL Research Center on April 26-30, 2010. The workshop was triggered by the experimental observation of charge correlations in heavy ion collisions at RHIC, which were predicted to occur due to local parity violation (P- and CP-odd fluctuations) in hot and dense QCD matter. This experimental result excited a significant interest in the broad physics community, inspired a few alternative interpretations, and emphasized the need for a deeper understanding of the role of topology in QCD vacuum and in hot and dense quark-gluon matter. Topological effects in QCD are also closely related to a number of intriguing problems in condensed matter physics, cosmology and astrophysics. We therefore felt that a broad cross-disciplinary discussion of topological P- and CP-odd effects in various kinds of matter was urgently needed. Such a discussion became the subject of the workshop. Specific topics discussed at the workshop include the following: (1) The current experimental results on charge asymmetries at RHIC and the physical interpretations of the data; (2) Quantitative characterization of topological effects in QCD matter including both analytical (perturbative and non-perturbative using gauge/gravity duality) and numerical (lattice-QCD) calculations; (3) Topological effects in cosmology of the Early Universe (including baryogenesis and dark energy); (4) Topological effects in condensed matter physics (including graphene and superfiuids); and (5) Directions for the future experimental studies of P- and CP-odd effects at RHIC and elsewhere. We feel that the talks and intense discussions during the workshop were extremely useful, and resulted in new ideas in both theory and experiment. We hope that the workshop has contributed to the progress in understanding the role of topology in QCD and related fields. We thank all the speakers and participants, and express our gratitude to the event coordinator Pam Esposito for her hard work.},

doi = {10.2172/1001314},

url = {https://www.osti.gov/biblio/1001314},
journal = {},

number = ,

volume = ,

place = {United States},

year = {2010},

month = {4}

}