Search Results - "Benalcazar, Wladimir"

Quantized electric multipole insulators by Benalcazar, Wladimir A., Bernevig, B. Andrei, Hughes, Taylor L.

“…The Berry phase provides a modern formulation of electric polarization in crystals. We extend this concept to higher electric multipole moments and determine…”
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A quantized microwave quadrupole insulator with topologically protected corner states by Peterson, Christopher W., Benalcazar, Wladimir A., Hughes, Taylor L., Bahl, Gaurav

“…A quantized quadrupole topological insulator composed of capacitively coupled microwave resonators has corner states that are protected by bulk topology and…”
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Observation of a Higher-Order Topological Bound State in the Continuum by Cerjan, Alexander, Jürgensen, Marius, Benalcazar, Wladimir A., Mukherjee, Sebabrata, Rechtsman, Mikael C.

“…Higher-order topological insulators are a recently discovered class of materials that can possess zero-dimensional localized states regardless of the dimension…”
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Observation of Degenerate Zero-Energy Topological States at Disclinations in an Acoustic Lattice by Deng, Yuanchen, Benalcazar, Wladimir A, Chen, Ze-Guo, Oudich, Mourad, Ma, Guancong, Jing, Yun

“…Building upon the bulk-boundary correspondence in topological phases of matter, disclinations have recently been harnessed to trap fractionally quantized…”
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Chiral-Symmetric Higher-Order Topological Phases of Matter by Benalcazar, Wladimir A, Cerjan, Alexander

“…We introduce novel higher-order topological phases of matter in chiral-symmetric systems (class AIII of the tenfold classification), most of which would be…”
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A fractional corner anomaly reveals higher-order topology by Peterson, Christopher W., Li, Tianhe, Benalcazar, Wladimir A., Hughes, Taylor L., Bahl, Gaurav

“…Topological insulators in the spotlight In addition to having an insulating interior while at the same time supporting conducting surface states, topological…”
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Topological protection of photonic mid-gap defect modes by Noh, Jiho, Benalcazar, Wladimir A., Huang, Sheng, Collins, Matthew J., Chen, Kevin P., Hughes, Taylor L., Rechtsman, Mikael C.

“…Defect modes in two-dimensional periodic photonic structures have found use in diverse optical devices. For example, photonic crystal cavities confine optical…”
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Photonic quadrupole topological insulator using orbital-induced synthetic flux by Schulz, Julian, Noh, Jiho, Benalcazar, Wladimir A., Bahl, Gaurav, von Freymann, Georg

“…The rich physical properties of multiatomic crystals are determined, to a significant extent, by the underlying geometry and connectivity of atomic orbitals…”
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Classification of two-dimensional topological crystalline superconductors and Majorana bound states at disclinations by Benalcazar, Wladimir A., Teo, Jeffrey C. Y., Hughes, Taylor L.

“…We classify discrete-rotation symmetric topological crystalline superconductors (TCS) in two dimensions and provide the criteria for a zero-energy Majorana…”
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Boundary-Obstructed Topological High-Tc Superconductivity in Iron Pnictides by Wu, Xianxin, Benalcazar, Wladimir A, Li, Yinxiang, Thomale, Ronny, Chao-Xing, Liu, Hu, Jiangping

“…Nontrivial topology and unconventional pairing are two central guiding principles in the contemporary search for and analysis of superconducting materials and…”
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Robust temporal pumping in a magneto-mechanical topological insulator by Grinberg, Inbar Hotzen, Lin, Mao, Harris, Cameron, Benalcazar, Wladimir A., Peterson, Christopher W., Hughes, Taylor L., Bahl, Gaurav

“…The transport of energy through 1-dimensional (1D) waveguiding channels can be affected by sub-wavelength disorder, resulting in undesirable localization and…”
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Point-Defect-Localized Bound States in the Continuum in Photonic Crystals and Structured Fibers by Vaidya, Sachin, Benalcazar, Wladimir A., Cerjan, Alexander, Rechtsman, Mikael C.

“…We show that point defects in two-dimensional photonic crystals can support bound states in the continuum (BICs). The mechanism of confinement is a symmetry…”
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Polarization and Weak Topology in Chern Insulators by Vaidya, Sachin, Rechtsman, Mikael C, Benalcazar, Wladimir A

“…Chern insulators, and more broadly, topological insulators, present an obstruction to the construction of exponentially localized electronic Wannier functions…”
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Realization of a Z -Classified Chiral-Symmetric Higher-Order Topological Insulator in a Coupling-Inverted Acoustic Crystal by Wang, Dongyi, Deng, Yuanchen, Ji, Jun, Oudich, Mourad, Benalcazar, Wladimir A., Ma, Guancong, Jing, Yun

“…Higher-order topological band theory has transformed the landscape of topological phases in quantum and classical systems. Here, we experimentally demonstrate…”
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Strong Nonreciprocity in Modulated Resonator Chains through Synthetic Electric and Magnetic Fields by Peterson, Christopher W, Benalcazar, Wladimir A, Lin, Mao, Hughes, Taylor L, Bahl, Gaurav

“…We study nonreciprocity in spatiotemporally modulated 1D resonator chains from the perspective of equivalent 2D resonator arrays with a synthetic dimension and…”
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Prevalence of Two-Dimensional Photonic Topology by Ghorashi, Ali, Vaidya, Sachin, Rechtsman, Mikael C, Benalcazar, Wladimir A, Soljačić, Marin, Christensen, Thomas

“…Despite intense research in topological photonics for more than a decade, the basic question of whether photonic band topology is rare or abundant-i.e., its…”
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Observation of bound states in the continuum embedded in symmetry bandgaps by Cerjan, Alexander, Jörg, Christina, Vaidya, Sachin, Augustine, Shyam, Benalcazar, Wladimir A, Hsu, Chia Wei, von Freymann, Georg, Rechtsman, Mikael C

“…In the past decade, symmetry-protected bound states in the continuum (BICs) have proven to be an important design principle for creating and enhancing devices…”
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Boundary-obstructed topological phases by Khalaf, Eslam, Benalcazar, Wladimir A., Hughes, Taylor L., Queiroz, Raquel

“…Symmetry-protected topological (SPT) phases are gapped phases of matter that cannot be deformed to a trivial phase without breaking the symmetry or closing the…”
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Numerical analysis of gradient index lens-based optical coherence tomography imaging probes by Jung, Woonggyu, Benalcazar, Wladimir A, Ahmad, Adeel, Sharma, Utkarsh, Tu, Haohua, Boppart, Stephen A

“…We report the numerical analysis of gradient index (GRIN) lens-based optical coherence tomography imaging probes to derive optimal design parameters. Long and…”
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Molecular Histopathology by Spectrally Reconstructed Nonlinear Interferometric Vibrational Imaging by CHOWDARY, Praveen D, ZHI JIANG, CHANEY, Eric J, BENALCAZAR, Wladimir A, MARKS, Daniel L, GRUEBELE, Martin, BOPPART, Stephen A

“…Sensitive assays for rapid quantitative analysis of histologic sections, resected tissue specimens, or in situ tissue are highly desired for early disease…”
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