133 citations · 915 across the 36 of their papers we have counts for
36 papers
Band Structure and topology of a periodically deformed Kitaev honeycomb model
Abdullah AlJishi, Ali AlSwaid, Moayad Ekhwan +3
Motivated by the growing interest in spin liquids and topological phases, as well as the rise of deformation engineering, we study the combined effects of deformation and magnetic…
Exploring topological phases with extended Su-Schrieffer-Heeger models
Raditya Weda Bomantara
The Su-Schrieffer-Heeger (SSH) model describes a tight-binding one-dimensional (1D) lattice with alternating nearest-neighbor amplitudes. Despite its mathematically simple and phys…
Floquet Bosonic Kitaev Chain
Raditya Weda Bomantara
We propose a class of periodically driven (Hermitian) modified bosonic Kitaev chains that effectively hosts rich nonHermitian Floquet topological phenomena. Two particular models a…
Zero and Nonzero Energy Majorana Modes in an Extended Kitaev Chain
Mohammad Ghuneim, Raditya Weda Bomantara
This paper studies an extended Kitaev chain with three sublattices per unit cell. This extended version is obtained by hybridizing a modified Su-Schrieffer-Heeger model featuring t…
NonHermitian Topological Phases in a Hermitian Modified Bosonic Kitaev Chain
Raditya Weda Bomantara, Ibsal Assi, J. P. F. LeBlanc +1
We present a modification to the bosonic Kitaev chain that, despite being Hermitian, supports both nonHermitian skin effect and nontrivial topological edge modes in its excitation…
Anomalous topological edge modes in a periodically-driven trimer lattice
Mohammad Ghuneim, Raditya Weda Bomantara
Periodically driven systems have a longstanding reputation for establishing rich topological phenomena beyond their static counterpart. In this work, we propose and investigate a p…
Generating non-Clifford gate operations through exact mapping between Majorana fermions and parafermions
Ali Hamed Safwan, Raditya Weda Bomantara
Majorana fermions and their generalizations to parafermions are considered promising building blocks of fault-tolerant quantum computers for their ability to encode…
Quantum-vacuum-protected topological edge polaritons
Raditya Weda Bomantara
This paper uncovers the formation of topological edge polaritons that are protected by the presence of quantum vacuum. Such quantum-vacuum-protected edge polaritons could be achiev…
A Robust Large-Period Discrete Time Crystal and its Signature in a Digital Quantum Computer
Tianqi Chen, Ruizhe Shen, Ching Hua Lee +2
Discrete time crystals (DTCs) are novel out-of-equilibrium quantum states of matter which break time translational symmetry. DTCs have been extensively realized in experiments, par…
Generalized Majorana edge modes in a number-conserving periodically driven -wave superconductor
Raditya Weda Bomantara
We study an analytically solvable and experimentally relevant number-conserving periodically driven -wave superconductor. Such a system is found to support generalized Majorana…
Gottesman-Kitaev-Preskill state preparation using periodic driving
Xanda C. Kolesnikow, Raditya Weda Bomantara, Andrew C. Doherty +1
The Gottesman-Kitaev-Preskill (GKP) code may be used to overcome noise in continuous variable quantum systems. However, preparing GKP states remains experimentally challenging. We…
Topological modes and beyond
Weiwei Zhu, Jiangbin Gong, Raditya Weda Bomantara
This short Perspective article presents an overview of the discovery of topological modes as well as their physical significance in quantum computing and the understanding of a…
Symmetry-protected topological corner modes in a periodically driven interacting spin lattice
Kelvin Koor, Raditya Weda Bomantara, Leong Chuan Kwek
Periodic driving has the longstanding reputation for generating exotic phases of matter with no static counterparts. This work explores the interplay among periodic driving, intera…
Topological characteristics of gap closing points in nonlinear Weyl semimetals
Thomas Tuloup, Raditya Weda Bomantara, Jiangbin Gong
In this work we explore the effects of nonlinearity on three-dimensional topological phases. Of particular interest are the so-called Weyl semimetals, known for their Weyl nodes, i…
Breakdown of quantization in nonlinear Thouless pumping
Thomas Tuloup, Raditya Weda Bomantara, Jiangbin Gong
The dynamics of solitons driven in a nonlinear Thouless pump and its connection with the system's topology were recently explored for both weak and strong nonlinear strength. This…
th-root non-Hermitian Floquet topological insulators
Longwen Zhou, Raditya Weda Bomantara, Shenlin Wu
Floquet phases of matter have attracted great attention due to their dynamical and topological nature that are unique to nonequilibrium settings. In this work, we introduce a gener…
Square-root Floquet topological phases and time crystals
Raditya Weda Bomantara
Periodically driven (Floquet) phases are attractive due to their ability to host unique physical phenomena with no static counterparts. We propose a general approach in nontriviall…
parafermion modes in interacting periodically driven superconducting chain
Raditya Weda Bomantara
We theoretically report the emergence of parafermion edge modes in a periodically driven spinful superconducting chain with modest fermionic Hubbard interaction. These parafe…
Nonlocal discrete time crystals in periodically driven surface codes
Raditya Weda Bomantara
Discrete time crystals (DTCs) are nonequilibrium phases of matter characterized by robust subharmonic order parameter dynamics. We report a new type of DTC in a periodically driven…
Quantum repetition codes as building blocks of large period discrete time crystals
Raditya Weda Bomantara
Discrete time crystals (DTCs) are nonequilibrium phases of matter with exotic observable dynamics. Among their remarkable features is their response to a periodic drive at a fracti…
Topological and dynamical features of periodically driven spin ladders
Raditya Weda Bomantara, Sen Mu, Jiangbin Gong
Studies of periodically driven one-dimensional many-body systems have advanced our understanding of complex systems and stimulated promising developments in quantum simulation. It…
Dynamical characterization of Weyl nodes in Floquet Weyl semimetal phases
Muhammad Umer, Raditya Weda Bomantara, Jiangbin Gong
Due to studies in nonequilibrium (periodically-driven) topological matter, it is now understood that some topological invariants used to classify equilibrium states of matter do no…
Nonlinearity induced topological physics in momentum space and real space
Thomas Tuloup, Raditya Weda Bomantara, Ching Hua Lee +1
Nonlinearity induced topological properties in nonlinear lattice systems are studied in both momentum space and real space. Experimentally realizable through the Kerr effect on pho…
Time-induced second-order topological superconductors
Raditya Weda Bomantara
Higher-order topological materials with topologically protected states at the boundaries of their boundaries (hinges or corners) have attracted attention in recent years. In this p…