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The coherent bunching of anyons and their dissociation was observed in an interference experiment. 

An interferometer design allows systematic investigation of the anyonic statistics of bulk fractional quantum Hall states.

The accepted picture of transport in the fractional quantum Hall effect regime is that neutral modes are present only in hole-conjugate fractional states. Inoue et al.show the presence of upstream neutral modes and energy transport through the bulk in all tested non-hole-conjugate fractional states.

The Cooper pairs that losslessly conduct current in a superconductor can be split into two spatially separated but quantum mechanically entangled electrons. In this paper, non-local cross-correlation measurements of pairs split within a superconducting wire indicate the efficiency of this process can approach 100%.

In two-dimensional systems, swapping the position of two indistinguishable particles twice—braiding them—reveals their exchange statistics. Now, a Mach–Zehnder interferometer accomplishes this for anyonic fractional quantum Hall states.

A quantized zero-bias conductance peak (ZBCP) is potentially a signature of Majorana edge mode provided that a topological gap opens in the bulk. Here, Grivnin et al. observe ZBCP at the edge both with and without a superconducting bulk-gap in an InAs nanowire coated with epitaxial Al.

The boundaries of fractional quantum Hall states can host multiple, interacting one-dimensional edge modes, which test our understanding of strongly interacting systems. Here the authors observe the edge-mode equilibration transition that was predicted for the ν=2/3 fractional quantum Hall state.

Helical modes are induced in a high-mobility two-dimensional electron gas without strong spin–orbit coupling. This platform provides a versatile playground for investigating compounded quantum Hall edge states.

Understanding the transfer of heat currents, specifically, neutral heat modes which do not carry net charge, is of great interest. Here, the authors study the transmission of upstream neutral modes through a quantum point contact in order to render the relative spatial distribution of these chargeless modes.

Two challenging questions related to the quantum Hall effect (QHE) are how edge reconstruction works and where the current flows. A new model now gives the answer for two types of QHE states — two separate downstream chiral edge channels are involved.

One of the many exotic characteristics of systems that exhibit the fractional quantum Hall effect is the presence of chiral edge modes that carry energy but no net charge. Gurman et al.demonstrate the use of quantum dots to transform this energy into a measurable current, enabling them to better probe these modes.

Measuring quantum entanglement remains a demanding task. The authors introduce two functions to quantify entanglement induced by fermionic or bosonic statistics, in transport experiments. Both functions, in theory and experiment, are remarkably resilient against the nonuniversal effects of interactions.

A simple experimental method identifies the statistical phase of highly diluted abelian anyons weakly partitioned in fractional quantum Hall states and reveals their braiding statistics.

Shot noise has traditionally been used to measure the charge of quasiparticles in a variety of mesoscopic systems. However, at sufficiently low temperatures, this usual notion tends to break down for fractional quantum Hall effect states.

We measure efficient heat conductance through the electrically insulating quantum Hall bulk and propose a theoretical model based on the role played by the localized states.

Measurements of the thermal Hall conductance in the first excited Landau level of the quantum Hall effect show the existence of a state with non-Abelian excitations.

New data, backed up by simulations, support the existence of Majorana fermions in the one-dimensional topological superconductor that is induced by placing an aluminium superconductor close to an indium-arsenide nanowire.

The quantum Hall effect takes place in a two-dimensional electron gas under a strong magnetic field and involves current flow along the edges of the sample. In the fractional regime, counter-propagating modes that carry energy but not charge — the so-called neutral modes — have been predicted but never observed. These authors report the first direct observation of these elusive modes.

Careful thermal transport measurements identify the topological nature of transverse thermal conductance in the fractional quantum Hall regime.

Quasiparticles in strongly interacting fractional quantum Hall systems carry heat according to the same quantization of thermal conductance as for particles in non-interacting systems.