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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Daga, Bijoy Mondal, Souvik Chandra, Anjan Kumar Banerjee, Tirthankar Basu, Abhik |
| Description | Country affiliation: India Author Affiliation: Daga B ( Condensed Matter Physics Division, Saha Institute of Nuclear Physics, Calcutta 700064, India.); Mondal S ( Condensed Matter Physics Division, Saha Institute of Nuclear Physics, Calcutta 700064, India.); Chandra AK ( Department of Physics, Malda College, Malda, West Bengal 732101, India.); Banerjee T ( Condensed Matter Physics Division, Saha Institute of Nuclear Physics, Calcutta 700064, India.); Basu A ( Condensed Matter Physics Division, Saha Institute of Nuclear Physics, Calcutta 700064, India.) |
| Abstract | We study the totally asymmetric exclusion process (TASEP) on a nonuniform one-dimensional ring consisting of two segments having unequal hopping rates, or defects. We allow weak particle nonconservation via Langmuir kinetics (LK), which are parametrized by generic unequal attachment and detachment rates. For an extended defect, in the thermodynamic limit the system generically displays inhomogeneous density profiles in the steady state-the faster segment is either in a phase with spatially varying density having no density discontinuity, or a phase with a discontinuous density changes. Nonequilibrium phase transitions between the above phases are controlled by the inhomogeneity and LK. The slower segment displays only macroscopically uniform bulk density profiles in the steady states, reminiscent of the maximal current phase of TASEP but with a bulk density generally different from half. With a point defect, there are spatially uniform low- and high-density phases as well, in addition to the inhomogeneous density profiles observed for an extended defect. In all the cases, it is argued that the mean particle density in the steady state is controlled only by the ratio of the LK attachment and detachment rates. |
| File Format | HTM / HTML |
| ISSN | 24700045 |
| e-ISSN | 24700053 |
| Journal | Physical Review E |
| Issue Number | 1-1 |
| Volume Number | 95 |
| Language | English |
| Publisher | American Physical Society |
| Publisher Date | 2017-01-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Statistical and Nonlinear Physics many-body systems Condensed Matter Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Statistics and Probability Statistical and Nonlinear Physics Condensed Matter Physics |
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