The hottest pure electric field guides the movemen

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Pure electric field guides the movement of electrons for the first time, which helps to develop a new electron microscope

according to the organization of American physicists on May 10, German scientists used pure electric field for the first time to effectively guide electrons. Like the waveguide in optical fiber, the new conductivity technology is expected to be applied to many fields, such as guided material wave experiment, non-invasive electron microscope and so on. The relevant research was published in the physical review letters published on May 9

clarifying the properties of electrons is very important for people to understand the basic law that lithium resources in salt lakes are mainly located in Qinghai and Tibet. Electrons are the first basic particles that show wave like properties. Therefore, they are indispensable in the development of quantum mechanics theory. Observing electrons will provide scientists with a new vision for studying the basic laws of physics. However, electrons are small and run very fast, so it is difficult to control

at present, experiments related to limiting electrons are mainly carried out in the "Penning ion trap", which combines a stable magnetic field with an oscillating electric field. The standard technology used in the ion trap "Paul trap" was invented by Wolfgang Paul, a German physicist who won the Nobel Prize in physics for this reason in 1989. The "Paul trap" is built on four electrodes with an RF voltage applied. The obtained electric field will generate a driving force to keep the ions in the center of the trap

now, Pete, the head of Max Planck ultrafast quantum optics research group, returns [return]. The team led by Homer Hoff applies the "Paul trap" to guiding electrons by applying a microwave voltage of about 1 GHz (gigahertz) to the electrode built on a flat substrate! Plastic bottle waste can be transformed into super light super materials. For the first time, a pure electric field is used to effectively guide the slow motion of electrons. For many experiments with proliferating electrons, such as interferometry experiments with slow electrons, using a pure electric field to limit electrons has great advantages

in the experiment, electrons are generated in a heat source (like a tungsten wire heated in a bulb), and the emitted electrons are calibrated parallel to a parallel beam of several electron volts. Therefore, electrons cannot enter the "waveguide" generated by five electrodes on a flat substrate, but are confined to the radial direction by an oscillating quadrupole field within half a millimeter above the electrode, with no longitudinal force applied to the electrons, The electrons here can travel freely along the "conduit". Because the radial restriction is very strong, electrons are forced to travel along the electrode in a small range of fluctuations

homerhoff said that the experiment proved that electrons can be effectively guided by pure electric fields. However, because some of the electron beams produced by the electron source were not calibrated so well, many electrons were lost in the experiment. In the future, scientists plan to combine the new microwave guide with the electron source generated by the electric field of the sharp metal tip, which is expected to provide a well calibrated electron beam

scientists can use new experiments to observe each quantum mechanical oscillation of electrons on radial voltage. Johannes hofrogge, a participant in the experiment, said that the electrons observed in the experiment were strongly restricted, which means that electrons are unlikely to "transition" from a quantum state to a higher state, and a single quantum state will last for a long time. Scientists can use this to carry out quantum experiments, such as interference measurement experiments with guided slow electrons. The new method can also be used to develop new electron microscope technology

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