Search Results - "Chakrabarti, Arunava"

Spin-polarized localization in a magnetized chain by Benini, Leonardo, Mukherjee, Amrita, Chakrabarti, Arunava, Römer, Rudolf A.

“…We investigate a simple tight-binding Hamiltonian to understand the stability of spin-polarized transport of states with an arbitrary spin content in the…”
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Topological properties of a class of Su-Schrieffer-Heeger variants by Bid, Subhajyoti, Chakrabarti, Arunava

“…•Edge states and topological phase transitions are studied in a variant of SSH chain.•Correlation among hopping parameters is exploited to unravel the…”
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Corrigendum to “Topological properties of a class of generalized Su–Schrieffer–Heeger networks: Chains and meshes” [Physica B: Condens. Matter, 685 15 July 2024 416025] by Biswas, Sougata, Chakrabarti, Arunava

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Topological properties of a class of generalized Su–Schrieffer–Heeger networks: Chains and meshes by Biswas, Sougata, Chakrabarti, Arunava

“…We analyze the topological properties of a family of generalized Su-Schrieffer-Heeger (SSH) chains and mesh geometries. In both the geometries the usual…”
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Electronic states and charge transport in a class of low dimensional structured systems by Chakrabarti, Arunava

“…This review is an explorer's walk that revisits the character of single particle states and charge transport in a class of low dimensional decorated lattices…”
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Engineering complete delocalization of single particle states in a class of one dimensional aperiodic lattices: A quantum dynamical study by Biswas, Sougata, Chakrabarti, Arunava

“…We study quantum dynamics of a wave packet on a class of one dimensional decorated aperiodic lattices, described within a tight binding formalism. We look for…”
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Designer quantum states on a fractal substrate: Compact localization, flat bands and the edge modes by Biswas, Sougata, Chakrabarti, Arunava

“…Compact localized single particle eigenstates on a deterministic fractal substrate, modeled by a triangular Sierpinski gasket of arbitrarily large size, are…”
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Engineering insulator-metal transition in a class of decorated aperiodic lattices: A quantum dynamical study by Maity, Arkajyoti, Chakrabarti, Arunava

“…•Quantum dynamics of wave packets in a class of decorated lattices, both quasi periodic and random.•Complete delocalization of the wavefunction, despite lack…”
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Engineering flat electronic bands in quasiperiodic and fractal loop geometries by Nandy, Atanu, Chakrabarti, Arunava

“…Exact construction of one electron eigenstates with flat, non-dispersive bands, and localized over clusters of various sizes is reported for a class of…”
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Engineering bands of extended electronic states in a class of topologically disordered and quasiperiodic lattices by Pal, Biplab, Chakrabarti, Arunava

“…We show that a discrete tight-binding model representing either a random or a quasiperiodic array of bonds can have the entire energy spectrum or a substantial…”
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Flat bands and topological phase transition in entangled Su-Schrieffer-Heeger chains by Chatterjee, Sauvik, Biswas, Sougata, Chakrabarti, and Arunava

“…International Journal of Modern Physics B, 2550097 , 2024 Flat, non-dispersive bands and topological phase transition in multiple Su-Schrieffer-Heeger (SSH)…”
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Ring-localized states, radial aperiodicity and quantum butterflies on a Cayley tree by Mukherjee, Amrita, Nandy, Atanu, Chakrabarti, Arunava

“…We present an analytical method, based on a real space decimation scheme, to extract the exact eigenvalues of a macroscopically large set of pinned localized…”
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Controlled trapping of single particle states on a periodic substrate by deterministic stubbing by Mukherjee, Amrita, Nandy, Atanu, Chakrabarti, Arunava

“…A periodic array of atomic sites, described within a tight binding formalism is shown to be capable of trapping electronic states as it grows in size and gets…”
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Strange eigenstates and anomalous transport in a Koch fractal with hierarchical interaction by Chakrabarti, Arunava

“…Stationary states of non-interacting electrons on a Koch fractal are investigated within a tight binding approach. It is observed that if a hierarchically long…”
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Electronic transmission in a model quantum wire with side-coupled quasiperiodic chains: Fano resonance and related issues by Chakrabarti, Arunava

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Erratum to “Strange eigenstates and anomalous transport in a Koch fractal with hierarchical interaction” [Phys. Lett. A 375 (2011) 3899] by Chakrabarti, Arunava

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Tight-binding chains with off-diagonal disorder: Bands of extended electronic states induced by minimal quasi-one-dimensionality by Nandy, Atanu, Pal, Biplab, Chakrabarti, Arunava

“…It is shown that an entire class of off-diagonally disordered linear lattices composed of two basic building blocks and described within a tight-binding model…”
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Role of a new type of correlated disorder in extended electronic states in the Thue-Morse lattice by Chakrabarti, A, Karmakar, SN, Moitra, RK

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Absolutely continuous energy bands in the electronic spectrum of quasiperiodic ladder networks by Pal, Biplab, Chakrabarti, Arunava

“…The energy spectra of quasi-one-dimensional quasiperiodic ladder networks are analyzed within a tight binding description. In particular, we show that if a…”
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Fano resonance in discrete lattice models: Controlling lineshapes with impurities by Chakrabarti, Arunava

“…The possibility of controlling Fano lineshapes in the electronic transmission is addressed in terms of a simple discrete model within a tight binding…”
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