Thermal Hysteresis of Photoinduced Magnetic Effect in Yttrium Iron Garnet K. Hisatake, I. Matsubara, K. Maeda, H. Yasuoka, H. Mazaki, H. Shinohara et K. Uematsu J. Phys. IV France, 07 C1 (1997) C1-293-C1-294 DOI: 10.1051/jp4:19971116