Takayuki Kurihara   Hiroshi Watanabe   Makoto Nakajima   Shutaro Karube   Kenichi Oto   YoshiChika Otani   Tohru Suemoto   
Physical Review Letters 120(10) 107202-1-107202-6 2018年3月 [査読有り]
We exploit an intense terahertz magnetic near field combined with femtosecond laser excitation to break the symmetry of photoinduced spin reorientation paths in ErFeO3. We succeed in aligning macroscopic magnetization reaching up to 80% of total m...