Quantum phase near the saturation field in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>S</mml:mi><mml:mo>=</mml:mo><mml:mfrac><mml:mn>1</mml:mn><mml:mn>2</mml:mn></mml:mfrac></mml:math>frustrated spin ladder

Yamaguchi, Hironori; Miyagai, H.; Kono, Yohei; Kittaka, Shunichiro; Sakakibara, Toshiro; Iwase, Kenji; Ono, Toshio; Shimokawa, Tomotsugu; Hosokoshi, Yuko

doi:10.1103/physrevb.91.125104

Cited by 13 publications

(19 citation statements)

References 24 publications

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“…As the predominant interactions of the strong-leg-type FM-leg ladders consist of FM chains, the quasi-1D BEC behavior of the phase boundary described above is expected to be realized. In fact, another strong-leg-type FM-leg ladder, 3-I-V [=3-(3-iodophenyl)-1,5-diphenylverdazyl], has shown the φ = 1 behavior of the 3D ordering phase boundary near the saturation field 25,29 , similar to the quasi-1D BEC predicted in Ref. 22 .…”

Section: Introductionsupporting

confidence: 66%

“…This material shows no spin gap and a double phase transition that differs from those of the other FM-leg ladders. These characteristics may be attributed to frustrated interladder interactions, as predicted by ab initio molecular-orbital calculations for the synthesized FM-leg ladders 26,28,29 . As the predominant interactions of the strong-leg-type FM-leg ladders consist of FM chains, the quasi-1D BEC behavior of the phase boundary described above is expected to be realized.…”

Section: Introductionmentioning

confidence: 78%

“…Our recent studies 24,25 have revealed that spin-1/2 FM-leg ladders synthesized using verdazyl radical molecules [26][27][28][29] are a powerful tool for investigating BEC in quasi-1D quantum magnets with predominantly FM interactions. Verdazyl-radical-based molecular crystals typically exhibit isotropic (Heisenberg) spin interactions 27 , the Hamiltonian of such FM-leg ladders can be expressed as…”

Section: Introductionmentioning

confidence: 99%

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Emergent critical phenomenon in spin- 12 ferromagnetic-leg ladders: Quasi-one-dimensional Bose–Einstein condensate

et al. 2019

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We examine the magnetic-field-induced criticality of phase boundary near saturation field Hc in the spin-1/2 ferromagnetic (FM)-leg ladder 3-Cl-4-F-V [=3-(3-chloro-4-fluorophenyl)-1,5diphenylverdazyl], the predominant interactions of which arise from FM chains (strong-leg type). Critical temperatures were precisely determined through dc magnetization, specific heat, and magnetocaloric effect measurements. The criticality of 3-Cl-4-F-V is characterized by a linear phase boundary with respect to Hc − H near H = Hc. This behavior is similar to that of another strong-leg-type FM-leg ladder. The universal critical behavior in these strong-leg-type FM-leg ladders is expected to demonstrate the theoretically predicted quasi-one-dimensional Bose-Einstein condensation.

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Section: Introductionsupporting

confidence: 66%

Section: Introductionmentioning

confidence: 78%

Section: Introductionmentioning

confidence: 99%

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Emergent critical phenomenon in spin- 12 ferromagnetic-leg ladders: Quasi-one-dimensional Bose–Einstein condensate

et al. 2019

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“…84 In 25, exhibiting at low field a 3D order, it is observed an additional nontrivial phase near the saturation field. 93 The absence of successive phase transition with decreasing temperature and the anomalous behaviour of the magnetization curve near the saturation field suggest that these two phases are longitudinal spin-density-wave and spin-multipolar orders, respectively.…”

Section: Spin-ladders Based On Dithiolene Complexesmentioning

confidence: 99%

Spin-ladder behaviour in molecular materials

Silva

Almeida

2021

J. Mater. Chem. C

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“…Recently, spin-1/2 ferromagnetic-leg (FM-leg) ladders (J || < 0, J ⊥ > 0) have been synthesized for the first time, using verdazyl radical molecules [15][16][17][18]. Theoretically, FM-leg ladders with an isotropic leg interaction also have a spin gap, which stems from the rung-singlet state [19], and the ground state between H c1 and H c2 has also been predicted to be a TLL [20].…”

Section: Introductionmentioning

confidence: 99%

Three-dimensional Bose-Einstein condensation in the spin- 12 ferromagnetic-leg ladder 3-Br-4-F-V

et al. 2017

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The critical exponent of the phase boundary has been examined on the three-dimensional incommensurate ordering phase in the spin-1/2 ferromagnetic-leg ladder 3-Br-4-F-V [=3-(3-bromo-4-fluorophenyl)-1,5-diphenylverdazyl]. Using the temperature-window fitting technique, we obtained the critical exponents which agreed with the three-dimensional (3D) Bose-Einstein condensation (BEC) universality class at both sides of the lower critical field and the saturation field. 3-Br-4-F-V thus becomes a new member of the quantum magnets which prove the universality of the 3D BEC exponent.

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Quantum phase near the saturation field in theS=12frustrated spin ladder

Cited by 13 publications

References 24 publications

Emergent critical phenomenon in spin- 12 ferromagnetic-leg ladders: Quasi-one-dimensional Bose–Einstein condensate

Emergent critical phenomenon in spin- 12 ferromagnetic-leg ladders: Quasi-one-dimensional Bose–Einstein condensate

Spin-ladder behaviour in molecular materials

Three-dimensional Bose-Einstein condensation in the spin- 12 ferromagnetic-leg ladder 3-Br-4-F-V

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