Аннотация:
We report results of spin diffusion measurements in normal phase of liquid 3He confined in nafen. Nafen is a new type of aerogel and it consists of Al2O3 strands which are nearly parallel to one another at macroscopic distances. We examine two samples of nafen with different porosities using spin echo techniques. Spin diffusion of 3He along and across the strands was measured. The aerogel alignment is clearly evident from observed spin diffusion anisotropy. A theory describing this effect is developed and compared with the experiment.
Образец цитирования:
V. V. Dmitriev, L. A. Melnikovsky, A. A. Senin, A. A. Soldatov, A. N. Yudin, “Anisotropic spin diffusion in liquid 3He confined in nafen”, Письма в ЖЭТФ, 101:12 (2015), 908–912; JETP Letters, 101:12 (2015), 808–813
В. В. Дмитриев, Д. В. Петрова, А. А. Солдатов, А. Н. Юдин, УФН, 194:12 (2024), 1310–1319; V. V. Dmitriev, D. V. Petrova, A. A. Soldatov, A. N. Yudin, Phys. Usp., 67:12 (2024), 1239–1247
Harald Pleiner, Helmut R. Brand, Phys. Rev. B, 108:5 (2023)
Vyacheslav Kuzmin, Kajum Safiullin, Andrey Stanislavovas, Eduard Baibekov, Murat Tagirov, J. Phys. Chem. B, 127:6 (2023), 1459
Dmitriev V.V. Eltsov V.B. Rysti J. Soldatov A.A. Yudin A.N., J. Low Temp. Phys., 208:1-2 (2022), 3–16
Helmut R. Brand, Harald Pleiner, Phys. Rev. B, 105:17 (2022)
Safiullin K. Kuzmin V. Stanislavovas A. Alakshin E. Klochkov A. Tagirov M., J. Phys.-Condes. Matter, 33:6 (2021), 065101
Rysti J. Makinen J.T. Autti S. Kamppinen T. Volovik G.E. Eltsov V.B., Phys. Rev. Lett., 127:11 (2021), 115702
D. Lotnyk, A. Eyal, N. Zhelev, T. S. Abhilash, E. N. Smith, M. Terilli, J. Wilson, E. Mueller, D. Einzel, J. Saunders, J. M. Parpia, Nat. Commun., 11:1 (2020), 4843
H. R. Brand, H. Pleiner, Phys. Rev. B, 102:9 (2020), 094510
V. V. Dmitriev, A. A. Soldatov, A. N. Yudin, J. Exp. Theor. Phys., 131:1, SI (2020), 2–10
V. V. Dmitriev, M. S. Kutuzov, A. Y. Mikheev, V. N. Morozov, A. A. Soldatov, A. N. Yudin, Phys. Rev. B, 102:14 (2020), 144507
A. M. Zimmerman, M. D. Nguyen, J. W. Scott, W. P. Halperin, Phys. Rev. Lett., 124:2 (2020), 025302
W. P. Halperin, Annual Review of Condensed Matter Physics, Vol 10, Annu. Rev. Condens. Matter Phys., Annual Review of Condensed Matter Physics, 10, ed. S. Sachdev, M. Marchetti, Annual Reviews, 2019, 155–170
V. P. Mineev, Phys. Rev. B, 100:9 (2019), 094533
V. V. Dmitriev, M. S. Kutuzov, A. A. Soldatov, A. N. Yudin, Письма в ЖЭТФ, 110:11 (2019), 748–749; V. V. Dmitriev, M. S. Kutuzov, A. A. Soldatov, A. N. Yudin, JETP Letters, 110:11 (2019), 734–738
V. V. Dmitriev, A. A. Soldatov, A. N. Yudin, Phys. Rev. Lett., 120:7 (2018), 075301
V. V. Dmitriev, M. S. Kutuzov, L. A. Melnikovsky, B. D. Slavov, A. A. Soldatov, A. N. Yudin, Письма в ЖЭТФ, 108:11 (2018), 772–773; JETP Letters, 108:11 (2018), 754–758