+ Site Statistics
+ Search Articles
+ PDF Full Text Service
How our service works
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ Translate
+ Recently Requested

State transitions and decoherence in the avian compass

State transitions and decoherence in the avian compass

Physical Review. E Statistical Nonlinear and Soft Matter Physics 91(5): 052709

The radical pair model has been successful in explaining behavioral characteristics of the geomagnetic compass believed to underlie the navigation capability of certain avian species. In this study, the spin dynamics of the radical pair model and decoherence therein are interpreted from a microscopic state transition point of view. This helps to elucidate the interplay between the hyperfine and Zeeman interactions that enables the avian compass and clarify the distinctive effects of nuclear and environmental decoherence on it. Three regimes have been identified for the strength of the hyperfine interaction with respect to that of the geomagnetic Zeeman. It is found that the compass is likely to function in the large hyperfine interaction regime. Using a quantum information theoretic quantifier of coherence, we find that nuclear decoherence induces new structure in the spin dynamics for intermediate hyperfine interaction strength. On the other hand, environmental decoherence-modeled by two different noise models-seems to disrupt the compass action.

Please choose payment method:

(PDF emailed within 0-6 h: $19.90)

Accession: 058899811

Download citation: RISBibTeXText

PMID: 26066201

DOI: 10.1103/physreve.91.052709

Related references

Decoherence in the chemical compass: the role of decoherence for avian magnetoreception. Philosophical Transactions. Series A Mathematical Physical and Engineering Sciences 370(1975): 4517-4540, 2012

Decoherence-free generation of many-particle entanglement by adiabatic ground-state transitions. Physical Review Letters 90(13): 133601, 2003

Decoherence in the chemical compass. 2012

Onset of decoherence: six-wave mixing measurements of vibrational decoherence on the excited electronic state of I2 in solid argon. Journal of Chemical Physics 120(17): 8144-8156, 2004

Quantitative analysis of state 1 state 2 transitions in intact leaves using modulated fluorometry evidence for changes in the absorption cross section of the two photosystems during state transitions. Biochimica et Biophysica Acta 848(1): 48-57, 1986

Understanding the Surface Hopping View of Electronic Transitions and Decoherence. Annual Review of Physical Chemistry 67: 387-417, 2016

Generation of a decoherence-free entangled state using a radio-frequency dressed state. Physical Review Letters 108(6): 060503, 2012

Avian compass magnetoreception. 2012

Avian magnetic compass in low fields. 2013

Quantum dynamics of the avian compass. Physical Review. E Statistical Nonlinear and Soft Matter Physics 90(4): 042710, 2014

The avian compass - some geophysical aspects. Var Fagelvarld 402: 110-111, 1981

New model for the avian magnetic compass. Bioelectromagnetics 21(8): 555-565, 2000

The quantum needle of the avian magnetic compass. Proceedings of the National Academy of Sciences of the United States of America 113(17): 4634-4639, 2016

The avian magnetic compass An ancient mechanism?. Vogelwarte 42(1-2): 51, 2003

Quantum coherence and entanglement in the avian compass. Physical Review. E Statistical Nonlinear and Soft Matter Physics 87(6): 062704, 2013