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pro vyhledávání: '"Yamada Takumi"'
Autor:
Yamada Takumi
Publikováno v:
Complex Manifolds, Vol 11, Iss 1, Pp 1-40 (2024)
We can construct a real line bundle arising from the locally conformal Kähler (LCK) structure over an LCK manifold. We study the properties of this line bundle over an LCK solvmanifold whose complex structure is left-invariant. Mainly, we prove that
Externí odkaz:
https://doaj.org/article/172cd05df9a04ebf9eb11ee5a14f2b42
Autor:
Yamada, Yasuhiro, Oki, Takeru, Morita, Takeshi, Yamada, Takumi, Fukuda, Mitsuki, Ichikawa, Shuhei, Kojima, Kazunobu, Kanemitsu, Yoshihiko
Publikováno v:
Nano Letters 2024, 24, 36, 11255-11261
Highly efficient anti-Stokes (AS) photoluminescence (PL) is observed from halide perovskite quantum dots (QDs) due to their strong electron-phonon interactions. The AS PL is particularly intriguing as it suggests the potential for semiconductor optic
Externí odkaz:
http://arxiv.org/abs/2406.10641
Autor:
Yamada Takumi
Publikováno v:
Complex Manifolds, Vol 5, Iss 1, Pp 150-157 (2018)
Let g = a+b be a Lie algebra with a direct sum decomposition such that a and b are Lie subalgebras. Then, we can construct an integrable complex structure J̃ on h = ℝ(gℂ) from the decomposition, where ℝ(gℂ) is a real Lie algebra obtained fro
Externí odkaz:
https://doaj.org/article/b0491356f00f474abb8aac5e789c09b4
Autor:
Yamada Takumi
Publikováno v:
Complex Manifolds, Vol 4, Iss 1, Pp 73-83 (2017)
Let N be a simply connected real nilpotent Lie group, n its Lie algebra, and € a lattice in N. If a left-invariant complex structure on N is Γ-rational, then HƏ̄s,t(Γ/N) ≃ HƏ̄s,t(nC) for each s; t. We can construct different left-invariant
Externí odkaz:
https://doaj.org/article/8adb3cad5d3c4186bb689b384fb9b8a3
Autor:
Yamada Takumi
Publikováno v:
Complex Manifolds, Vol 3, Iss 1 (2016)
If N is a simply connected real nilpotent Lie group with a Γ-rational complex structure, where Γ is a lattice in N, then for each s, t.We study relations between invariant complex structures and Hodge numbers of compact nilmanifolds from a viewpoin
Externí odkaz:
https://doaj.org/article/df0149d89df04c76980fd78e16754b53
Autor:
Yamada Takumi
Publikováno v:
Complex Manifolds, Vol 3, Iss 1 (2016)
In this paper, we consider several invariant complex structures on a compact real nilmanifold, and we study relations between invariant complex structures and Hodge numbers.
Externí odkaz:
https://doaj.org/article/e53a78c6327148ba892d124f6e1cc8b4
Autor:
Yamada Takumi
Publikováno v:
Complex Manifolds, Vol 2, Iss 1 (2015)
A compact K¨ahlerian manifoldM of dimension n satisfies hp,q(M) = hq,p(M) for each p, q.However, a compact complex manifold does not satisfy the equations in general. In this paper, we consider duality of Hodge numbers of compact complex nilmanifold
Externí odkaz:
https://doaj.org/article/add6c1920f1449f8adf66bb2a75d6eb9
Autor:
Kajino, Yuto, Otake, Shuji, Yamada, Takumi, Kojima, Kazunobu, Nakamura, Tomoya, Atsushi, Wakamiya, Kanemitsu, Yoshihiko, Yamada, Yasuhiro
Publikováno v:
Phys. Rev. Materials 6 (2002) L043001
Lead halide perovskites possess high photoluminescence (PL) efficiency and strong electron-phonon interactions, and therefore the optical cooling using up-conversion PL has been expected. We investigate anti-Stokes PL from green-luminescent Cs$_4$PbB
Externí odkaz:
http://arxiv.org/abs/2203.12300
Publikováno v:
In NDT and E International September 2024 146
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