====== Two-Dimensional 3He====== ===== Review Articles ===== * Experimental Properties of 3He adsorbed on Graphite, H. Godfrin and H.J. Lauter, in "Progress in Low Temp. Physics", Vol. XIV, Chapter 4, p; 213-320, ed. by W.P. Halperin, Elsevier Science B.V., Amsterdam, 1995 [[https://doi.org/10.1016/S0079-6417(06)80018-1]] * Two-dimensional nuclear magnets, H. Godfrin and R.E. Rapp, Advances in Physics, 44, 113-186 (1995) [[https://doi.org/10.1080/00018739500101516]] * Nuclear Magnetism in Two-Dimensional Solid Helium Three on Graphite, Hiroshi Fukuyama, J. Phys. Soc. Jpn., Vol. 77, No. 11 (2008) [[https://doi.org/10.1143/JPSJ.77.111013]] * Atomically Layered Helium Films at Ultralow Temperatures: Model Systems for Realizing Quantum Materials, John Saunders, Brian Cowan, Jan Nyéki, Journal of Low Temperature Physics (2020) 201:615–633 [[https://doi.org/10.1007/s10909-020-02448-9]] ===== Main Articles ===== * Apparent new phase of monolayer3He and4He films adsorbed on Grafoil as determined from heat capacity measurements, S.V. Hering, S.W. Van Sciver, O.E. Vilches, J. Low Temp. Phys. 25(5–6), 793 (1976). [[https://doi. org/10.1007/bf006 57299]] === Magnetism and Ring (Multi-spin) Exchange === * Nuclear ferromagnetism of two dimensional 3He. H. Franco, R.E. Rapp, H. Godfrin. Phys. Rev. Lett. 57 (1986) 1161-1164 [[https://doi.org/10.1103/physrevlett.57.1161]] * Experimental observation of a two-dimensional Heisenberg ferromagnet. H. Godfrin, R. Ruel, D.D. Osheroff. Phys. Rev. Lett. 60 (1988) 305-308 [[https://doi.org/10.1103/physrevlett.60.305]] * Nuclear-spin heat capacity of submonolayer solid 3He films Dennis S. Greywall and Paul A. Busch Phys. Rev. Lett. 65, 2788 (1990) [[https://doi.org/10.1103/PhysRevLett.65.2788]] * Multiple-Spin exchange on a triangular lattice: a quantitative interpretation of thermodynamic properties of two-dimensional 3He. M. Roger, C. Bäuerle, Yu.M. Bunkov, A.S. Chen, H. Godfrin. Phys. Rev. Lett. 80, 1308-1311 (1998). [[http://dx.doi.org/10.1103/PhysRevLett.80.1308]] * The Origin of Nuclear Magnetism in Solid 3He Films: Determination of Multi-spin Exchange Frequencies. C. Bäuerle, Yu. M. Bunkov, A.S. Chen, D.J. Cousins, H. Godfrin , M. Roger and S. Triqueneaux. Physica B 280, 95-99 (2000) === Coverage scales === Accurate Coverage Scales for 3He Films adsorbed on Exfoliated Graphite. G. de Carvalho Leão, R.E. Rapp, H. Godfrin and E. Lerner Physica B 284, 218-219 (2000) === 2D Liquid phase === * Some structural properties of solid 3He films. Consequences on 3He film ferromagnetism. M. Roger, C. Bäuerle, H. Godfrin, L. Pricaupenko and J. Treiner J. of Low Temp. Phys. 112, 451-478 (1998). * Ultralow temperature magnetic properties of liquid 3He films C. Bäuerle, Yu.M. Bunkov, A.S. Chen, S.N. Fisher and H. Godfrin. J. of Low Temp. Phys. 110, 333-338 (1998) *Evidence for a Mott-Hubbard Transition in a Two-Dimensional 3He Fluid Monolayer A. Casey, H. Patel, J. Nyéki, B. P. Cowan, and J. Saunders Phys. Rev. Lett. 90, 115301 (2003) [[https://doi.org/10.1103/PhysRevLett.90.115301]] * Heat capacity of adsorbed Helium-3 at ultra-low temperatures J. Elbs, C. Winkelmann, Yu.M. Bunkov, E. Collin, H. Godfrin J. of Low Temp. Phys. 148 (5-6), 749-753 (2007) * "Bilayer 3He: a simple two-dimensional heavy-fermion system with quantum criticality.", Neumann, Michael, Ján Nyéki, Brian Cowan, and John Saunders. Science 317, no. 5843 (2007): 1356-1359. * Possible quantum liquid crystal phases of helium monolayers S. Nakamura, K. Matsui, T. Matsui, and Hiroshi Fukuyama Phys. Rev. B 94, 180501(R) (2016) [[https://doi.org/10.1103/PhysRevB.94.18050]] === Spin-Liquid === * Quantum Frustration and the ‘Spin Liquid’ phase of two-dimensional 3He, E. Collin, S. Triqueneaux, R. Harakaly, M. Roger, C. Bäuerle, Yu. M. Bunkov and H. Godfrin, Phys. Rev. Lett. 86, 2447-2450 (2001) [[http://dx.doi.org/10.1103/PhysRevLett.86.2447 ]] * On the spin-liquid phase of two-dimensional 3He, E. Collin, Yu. M. Bunkov and H. Godfrin, J. of Phys. : Condens. Matter 16, S691-699 (2004) [[http://dx.doi.org/10.1088/0953-8984/16/11/017]] * Magnetization Curve of Second Layer Anti-Ferromagnetic Solid 3He on Graphite, Hirofumi Nema, Akira Yamaguchi, Takahiro Hayakawa, Hidehiko Ishimoto, J. of Low Temp Phys (2008) 150: 330–335, [[https://doi.org/10.1007/s10909-007-9556-x]] === 2D Nanoclusters === * Finite size effects in ferromagnetic 3He nanoclusters, E. Collin, B. Canals, J-C. Anglès d’Auriac, H. Godfrin J. of Phys. : Conference Series 150, 042018 (2009). * Ferromagnetic nanoclusters in two-dimensional 3He, E. Collin, C. Bäuerle, Yu. M. Bunkov and H. Godfrin, Physical Review B 73, 125421 (2006) === Structure and Dynamics === * Neutron diffraction studies of 2D quantum systems. H.J. Lauter, H.P. Schildberg, H. Godfrin, H. Wiechert, R. Haensel. Canadian Journal of Physics, 65 (1987) 1435-1439 * 3He layers on graphite. H.J. Lauter, H. Godfrin, V.L.P. Frank and H.P. Schildberg Physica B 165&166, 597-598 (1990) * Observation of a roton collective mode in a two-dimensional Fermi liquid Henri Godfrin, Matthias Meschke, Hans-Jochen Lauter, Ahmad Sultan, Helga M. Böhm, Eckhard Krotscheck and Martin Panholzer Nature 483, 576–579 (29 March 2012), doi:10.1038/nature10919 * Static structure factor of two-dimensional liquid 3He adsorbed on graphite, A. Sultan, M. Meschke, H.-J. Lauter and H. Godfrin, J. of Low Temp. Phys. 169, 367-376 (2012), DOI: 10.1007/s10909-012-0649-9 === 3He Fast exchange === * Ferromagnetic nanoclusters in two-dimensional 3He, E. Collin, C. Bäuerle, Yu. M. Bunkov and H. Godfrin, Physical Review B 73, 125421 (2006)