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Evidence for chiral $$d$$-wave superconductivity in URu$$_2$$Si$$_2$$ from the field-angle variation of its specific heat

Kittaka, Shunichiro*; Shimizu, Yusei*; Sakakibara, Toshiro*; Haga, Yoshinori ; Yamamoto, Etsuji ; Onuki, Yoshichika; Tsutsumi, Yasumasa*; Nomoto, Takuya*; Ikeda, Hiroaki*; Machida, Kazushige*

Low-energy quasiparticle excitations in the heavy-fermion superconductor URu$$_2$$Si$$_2$$ were investigated by specific heat measurements as a function of temperature, magnetic field and its angle. Experimental results agree with the theoretical model for a superconducting gap with chiral $$d$$-wave symmetry.



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Category:Physics, Multidisciplinary



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