Surface Majorana Cone of the Superfluid 3He B Phase

被引：55

作者：

Murakawa, Satoshi ^{[1
]}

Wada, Yuichiro ^{[1
]}

Tamura, Yuta ^{[1
]}

Wasai, Masahiro ^{[1
]}

Saitoh, Masamichi ^{[1
]}

Aoki, Yuki ^{[1
]}

Nomura, Ryuji ^{[1
]}

Okuda, Yuichi ^{[1
]}

Nagato, Yasushi ^{[2
]}

Yamamoto, Mikio ^{[3
]}

Higashitani, Seiji ^{[3
]}

Nagai, Katsuhiko ^{[3
]}

机构：

[1] Tokyo Inst Technol, Dept Condensed Matter Phys, Meguro Ku, Tokyo 1528551, Japan

[2] Hiroshima Univ, Informat Media Ctr, Hiroshima 7398511, Japan

[3] Hiroshima Univ, Grad Sch Integrated Arts & Sci, Hiroshima 7398511, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2011年 / 80卷 / 01期

关键词：

superfluid He-3; surface Andreev bound states; Majorana fermions; Majorana cone; acoustic impedance; TRANSVERSE ACOUSTIC-IMPEDANCE; BOUNDARY;

D O I：

10.1143/JPSJ.80.013602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The superfluid He-3 B phase, one of the oldest unconventional fermionic condensates experimentally realized, is recently predicted to support Majorana fermion surface states. Majorana fermion, which is characterized by the equivalence of particle and antiparticle, has a linear dispersion relation referred to as the Majorana cone. We measured the transverse acoustic impedance Z of the superfluid He-3 B phase changing its boundary condition and found a growth of peak in Z on a higher specularity wall. Our theoretical analysis indicates that the variation of Z is induced by the formation of the cone-like dispersion relation and thus confirms the important feature of the Majorana fermion in the specular limit.

引用

页数：4

共 24 条

[1] Observation of surface Andreev bound states of superfluid 3He by transverse acoustic impedance measurements -: art. no. 075301 [J].

Aoki, Y ;

Wada, Y ;

Saitoh, M ;

Nomura, R ;

Okuda, Y ;

Nagato, Y ;

Yamamoto, M ;

Higashitani, S ;

Nagai, K .

PHYSICAL REVIEW LETTERS, 2005, 95 (07)

[2] Detecting the Majorana Fermion Surface State of 3He-B through Spin Relaxation [J].

Chung, Suk Bum ;

Zhang, Shou-Cheng .

PHYSICAL REVIEW LETTERS, 2009, 103 (23)

[3] TRANSVERSE SURFACE IMPEDANCE OF PAIR-CORRELATED FERMI LIQUIDS - APPLICATION TO NORMAL AND SUPERFLUID HE-3 [J].

EINZEL, D ;

WOLFLE, P ;

HIRSCHFELD, PJ .

JOURNAL OF LOW TEMPERATURE PHYSICS, 1990, 80 (1-2) :31-68

[4]

Halperin W., 1990, HELIUM 3

[5] BOUNDARY-CONDITION ON SUPERFLUID HE-3 AS ALTERED BY HE-4 INTERFACIAL LAYER [J].

KIM, D ;

NAKAGAWA, M ;

ISHIKAWA, O ;

HATA, T ;

KODAMA, T ;

KOJIMA, H .

PHYSICAL REVIEW LETTERS, 1993, 71 (10) :1581-1584

[6]

Kitaev A, 2009, AIP CONF PROC, V1134, P22, DOI 10.1063/1.3149495

[7] TRANSVERSE ACOUSTIC-IMPEDANCE OF NORMAL LIQUID-HE-3 [J].

MILLIKEN, FP ;

RICHARDSON, RW ;

WILLIAMSON, SJ .

JOURNAL OF LOW TEMPERATURE PHYSICS, 1981, 45 (5-6) :409-428

[8] New Anomaly in the Transverse Acoustic Impedance of Superfluid 3He-B with a Wall Coated by Several Layers of 4He [J].

Murakawa, S. ;

Tamura, Y. ;

Wada, Y. ;

Wasai, M. ;

Saitoh, M. ;

Aoki, Y. ;

Nomura, R. ;

Okuda, Y. ;

Nagato, Y. ;

Yamamoto, M. ;

Higashitani, S. ;

Nagai, K. .

PHYSICAL REVIEW LETTERS, 2009, 103 (15)

[9] Surface Bound States in Superfluid 3He [J].

Nagai, Katsuhiko ;

Nagato, Yasushi ;

Yamamoto, Mikio ;

Higashitani, Seiji .

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2008, 77 (11)

[10] Theory of transverse acoustic impedance of superfluid 3He [J].

Nagato, Y. ;

Yamamoto, M. ;

Higashitani, S. ;

Nagai, K. .

JOURNAL OF LOW TEMPERATURE PHYSICS, 2007, 149 (5-6) :294-313

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