Skip to main content
SpringerLink
Log in

Orientation of the Angular Momentum in Superfluid 3He-A in a Stretched Aerogel

  • Published:
Journal of Low Temperature Physics Aims and scope Submit manuscript

Abstract

Superfluid 3He-A in a fully characterized stretched aerogel, used in previous work by Pollanen et al., has been studied for parallel and perpendicular orientations of the magnetic field relative to the anisotropy axis of the aerogel. Consistently, we find that an equal spin pairing state (ESP) is stabilized down to the lowest temperature. From our pulsed NMR frequency shifts as a function of temperature and tip angle, the orientation of the orbital angular momentum \(\hat{l}\) has been determined. The aerogel anisotropy introduced by uniaxial stretching tends to align \(\hat{l}\) in the axial state parallel to the strain axis, consistent with the theory proposed by Sauls and contrary to Volovik’s prediction based on an impurity calculation of Rainer and Vuorio.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1
Fig. 2
Fig. 3

Similar content being viewed by others

References

  1. J.V. Porto, J.M. Parpia, Phys. Rev. Lett. 74, 4667 (1995)

    Article  ADS  Google Scholar 

  2. D.T. Sprague, T.M. Haard, J.B. Kycia, M.R. Rand, Y. Lee, P.J. Hamot, W.P. Halperin, Phys. Rev. Lett. 75, 661 (1995)

    Article  ADS  Google Scholar 

  3. G.E. Volovik, J. Low Temp. Phys. 150, 453 (2008)

    Article  ADS  Google Scholar 

  4. J.A. Sauls, arXiv:1307.7656 (2013)

  5. D. Rainer, M. Vuorio, J. Phys. C, Solid State Phys. 10, 3093 (1977)

    Article  ADS  Google Scholar 

  6. J. Pollanen, J.I.A. Li, C.A. Collett, W.J. Gannon, W.P. Halperin, J.A. Sauls, Nat. Phys. 8, 317 (2012)

    Article  Google Scholar 

  7. J. Elbs, Y.M. Bunkov, E. Collin, H. Godfrin, Phys. Rev. Lett. 100, 215304 (2008)

    Article  ADS  Google Scholar 

  8. V.V. Dmitriev, D.A. Krasnikhin, N. Mulders, A.A. Senin, G.E. Volovik, A.N. Yudin, JETP Lett. 91, 599 (2010)

    Article  ADS  Google Scholar 

  9. J. Pollanen, K.R. Shirer, S. Blinstein, J.P. Davis, H. Choi, T.M. Lippman, L.B. Lurio, W.P. Halperin, J. Non-Cryst. Solids 354, 4668 (2008)

    Article  ADS  Google Scholar 

  10. A.M. Zimmerman, M.G. Specht, D. Ginzburg, J. Pollanen, J.I.A. Li, C.A. Collett, W.J. Gannon, W.P. Halperin, J. Low Temp. Phys. 171, 745 (2013)

    Article  ADS  Google Scholar 

  11. J. Pollanen, J.I.A. Li, C.A. Collett, W.J. Gannon, W.P. Halperin, Phys. Rev. Lett. 107, 195301 (2011)

    Article  ADS  Google Scholar 

Download references

Acknowledgements

We are grateful for support from the National Science Foundation, Condensed Matter Physics program DMR-1103625. And we thank S.A. Sauls and D. Vollhardt for helpful comments and discussion.

Author information

Authors and Affiliations

  1. Department of Physics and Astronomy, Northwestern University, Evanston, IL, 60208, USA

    J. I. A. Li, A. M. Zimmerman, J. Pollanen, C. A. Collett, W. J. Gannon & W. P. Halperin

Authors
  1. J. I. A. Li
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. A. M. Zimmerman
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. J. Pollanen
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. C. A. Collett
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. W. J. Gannon
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. W. P. Halperin
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to J. I. A. Li.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Li, J.I.A., Zimmerman, A.M., Pollanen, J. et al. Orientation of the Angular Momentum in Superfluid 3He-A in a Stretched Aerogel. J Low Temp Phys 175, 31–36 (2014). https://doi.org/10.1007/s10909-013-0917-3

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10909-013-0917-3

Keywords

Search

Navigation