A chain of m-NO₂PhBNO molecules with the temperature-magnetic field phase diagram of a Haldane S=1 chain in the background.

From the article:

Magnetic-Field-Induced Tomonaga-Luttinger Liquid and Bose-Einstein Condensate Phases in an Organic $S=1$ Haldane Chain
Ivan Jakovac, Mihael S. Grbić, Maxime Dupont, Nicolas Laflorencie, Sylvain Capponi, Yuko Hosokoshi, Steffen Krämer, Yurii Skourski, Sven Luther, Masashi Takigawa, and Mladen Horvatić
Phys. Rev. Lett. 137, 136702 (2026)

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