Zobrazeno 1 - 10
of 488
pro vyhledávání: '"Ivanov, Boris"'
Autor:
Uchaikin, Sergey V., Kim, Jinmyeong, Kutlu, Caglar, Ivanov, Boris I., Kim, Jinsu, van Loo, Arjan F., Nakamura, Yasunobu, Ahn, Saebyeok, Oh, Seonjeong, Ko, Minsu, Semertzidis, Yannis K.
This paper provides a comprehensive overview of the development of flux-driven Josephson Parametric Amplifiers (JPAs) as Quantum Noise Limited Amplifier for axion search experiments conducted at the Center for Axion and Precision Physics Research (CA
Externí odkaz:
http://arxiv.org/abs/2406.07899
Autor:
Ahn, Saebyeok, Kim, JinMyeong, Ivanov, Boris I., Kwon, Ohjoon, Byun, HeeSu, van Loo, Arjan F., Par, SeongTae, Jeong, Junu, Lee, Soohyung, Kim, Jinsu, Kutlu, Çağlar, Yi, Andrew K., Nakamura, Yasunobu, Oh, Seonjeong, Ahn, Danho, Bae, SungJae, Choi, Hyoungsoon, Choi, Jihoon, Chong, Yonuk, Chung, Woohyun, Gkika, Violeta, Kim, Jihn E., Kim, Younggeun, Ko, Byeong Rok, Miceli, Lino, Lee, Doyu, Lee, Jiwon, Lee, Ki Woong, Lee, MyeongJae, Matlashov, Andrei, Parashar, Pallavi, Seong, Taehyeon, Shin, Yun Chang, Uchaikin, Sergey V., Youn, SungWoo, Semertzidis, Yannis K.
We report an extensive high-sensitivity search for axion dark matter above 1\,GHz at the Center for Axion and Precision Physics Research (CAPP). The cavity resonant search, exploiting the coupling between axions and photons, explored the frequency (m
Externí odkaz:
http://arxiv.org/abs/2402.12892
We demonstrate that a spin current flowing through a nano-contact into a uniaxial antiferromagnet with first- and second-order anisotropy can excite a self-localized dynamic magnetic soliton, known as a spin-wave droplet in ferromagnets. The droplet
Externí odkaz:
http://arxiv.org/abs/2311.18583
Autor:
Uzunova, Vera, Körber, Lukas, Kavvadia, Agapi, Quasebarth, Gwendolyn, Schultheiss, Helmut, Kákay, Attila, Ivanov, Boris
Publikováno v:
Phys. Rev. B 108, 174445 ( 2023)
Soft magnetic dots in the form of thin rings have unique topological properties. They can be in a vortex state with no vortex core. Here, we study the magnon modes of such systems both analytically and numerically. In an external magnetic field, magn
Externí odkaz:
http://arxiv.org/abs/2308.08486
Autor:
Metzger, Thomas W. J., Grishunin, Kirill A., Reinhoffer, Chris, Dubrovin, Roman M., Arshad, Atiqa, Ilyakov, Igor, de Oliveira, Thales V. A. G., Ponomaryov, Alexey, Deinert, Jan-Christoph, Kovalev, Sergey, Pisarev, Roman V., Katsnelson, Mikhail I., Ivanov, Boris A., van Loosdrecht, Paul H. M., Kimel, Alexey V., Mashkovich, Evgeny A.
Understanding spin-lattice interactions in antiferromagnets is one of the most fundamental issues at the core of the recently emerging and booming fields of antiferromagnetic spintronics and magnonics. Recently, coherent nonlinear spin-lattice coupli
Externí odkaz:
http://arxiv.org/abs/2308.01052
Autor:
Ko, Minsu, Uchaikin, Sergey V., Ivanov, Boris I., Kim, JinMyeong, Oh, Seonjeong, Gkika, Violeta, Semertzidis, Yannis K.
The axion search experiments in the microwave frequency range require high sensitive detectors with intrinsic noise close to quantum noise limit. Josephson parametric amplifiers (JPAs) are the most valuable candidates for the role of the first stage
Externí odkaz:
http://arxiv.org/abs/2307.01480
Autor:
Uzunova, Vera, Ivanov, Boris A.
Publikováno v:
Phys. Rev. B 108, 064423 (2023)
We study a nonlinear spin dynamics of a ferromagnetic ring in a vortex state induced by the spin-polarized current. We also suggest to use the ferromagnetic ring as a free layer of a coreless vortex spin-transfer nano-oscillator. The calculated worki
Externí odkaz:
http://arxiv.org/abs/2305.16019
Autor:
Ivanov, Boris I., Kim, Jinmyeong, Kutlu, Çağlar, van Loo, Arjan F., Nakamura, Yasunobu, Uchaikin, Sergey V., Oh, Seonjeong, Gkika, Violeta, Matlashov, Andrei, Chung, Woohyun, Semertzidis, Yannis K.
The axion search experiments based on haloscopes at the Center for Axion and Precision Physics Research (CAPP) of the Institute for Basic Science (IBS) in South Korea are performed in the frequency range from 1 GHz to 6 GHz. In order to perform the e
Externí odkaz:
http://arxiv.org/abs/2304.13367
Autor:
Uchaikin, Sergey V., Ivanov, Boris I., Kim, Jinmyeong, Kutlu, Çağlar, Van Loo, Arjan F., Nakamura, Yasunobu, OH, Seonjeong, Gkika, Violeta, Matlashov, Andrei, Chung, Woohyun, Semertzidis, Yannis K.
The axion is expected to solve the strong CP problem of quantum chromodynamics and is one of the leading candidates for dark matter. CAPP in South Korea has several axion search experiments based on cavity haloscopes in the frequency range of 1-6 GHz
Externí odkaz:
http://arxiv.org/abs/2304.07222
Autor:
Kim, Jinmyeong, Ivanov, Boris I., Kutlu, Çağlar, Park, Seongtae, Van Loo, Arjan F., Nakamura, Yasunobu, Uchaikin, Sergey V., Oh, Seonjeong, Gkika, Violeta, Matlashov, Andrei, Chung, Woohyun, Semertzidis, Yannis K.
The axion is a hypothetical particle, a promising candidate for dark matter, and a solution to the strong CP problem. Axion haloscope search experiments deal with a signal power comparable to noise uncertainty at millikelvin temperature. We use a flu
Externí odkaz:
http://arxiv.org/abs/2304.04378